Home / 15,511,004.10-23,266,506.15-13,119,519.60

Finding the Fourth Proportional to 15,511,004.10, 23,266,506.15 and 13,119,519.60

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Solution

The fourth proportional to 15,511,004.10, 23,266,506.15 and 13,119,519.60 is: 19,679,279.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,511,004.10 : 23,266,506.15 = 13,119,519.60 : x
  2. Step 2: Convert to fraction form
    15,511,004.10/23,266,506.15 = 13,119,519.60/x
  3. Step 3: Cross multiply
    15,511,004.10x = 23,266,506.15 × 13,119,519.60
  4. Step 4: Simplify right side
    15,511,004.10x = 305,245,383,458,445.50
  5. Step 5: Solve for x
    x = 305,245,383,458,445.50/15,511,004.10
  6. Step 6: Final answer
    x = 19,679,279.40

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.