Home / 13,000,743.40-19,501,115.10-6,282,279.40

Finding the Fourth Proportional to 13,000,743.40, 19,501,115.10 and 6,282,279.40

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Solution

The fourth proportional to 13,000,743.40, 19,501,115.10 and 6,282,279.40 is: 9,423,419.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,000,743.40 : 19,501,115.10 = 6,282,279.40 : x
  2. Step 2: Convert to fraction form
    13,000,743.40/19,501,115.10 = 6,282,279.40/x
  3. Step 3: Cross multiply
    13,000,743.40x = 19,501,115.10 × 6,282,279.40
  4. Step 4: Simplify right side
    13,000,743.40x = 122,511,453,669,758.95
  5. Step 5: Solve for x
    x = 122,511,453,669,758.95/13,000,743.40
  6. Step 6: Final answer
    x = 9,423,419.10

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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.