Home / 15,511,005.10-23,266,507.65-13,119,520.60

Finding the Fourth Proportional to 15,511,005.10, 23,266,507.65 and 13,119,520.60

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Solution

The fourth proportional to 15,511,005.10, 23,266,507.65 and 13,119,520.60 is: 19,679,280.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,511,005.10 : 23,266,507.65 = 13,119,520.60 : x
  2. Step 2: Convert to fraction form
    15,511,005.10/23,266,507.65 = 13,119,520.60/x
  3. Step 3: Cross multiply
    15,511,005.10x = 23,266,507.65 × 13,119,520.60
  4. Step 4: Simplify right side
    15,511,005.10x = 305,245,426,404,232.56
  5. Step 5: Solve for x
    x = 305,245,426,404,232.56/15,511,005.10
  6. Step 6: Final answer
    x = 19,679,280.90

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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.