Home / 15,406,229.80-23,109,344.70-9,013,191.40

Finding the Fourth Proportional to 15,406,229.80, 23,109,344.70 and 9,013,191.40

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Solution

The fourth proportional to 15,406,229.80, 23,109,344.70 and 9,013,191.40 is: 13,519,787.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,406,229.80 : 23,109,344.70 = 9,013,191.40 : x
  2. Step 2: Convert to fraction form
    15,406,229.80/23,109,344.70 = 9,013,191.40/x
  3. Step 3: Cross multiply
    15,406,229.80x = 23,109,344.70 × 9,013,191.40
  4. Step 4: Simplify right side
    15,406,229.80x = 208,288,946,909,675.59
  5. Step 5: Solve for x
    x = 208,288,946,909,675.59/15,406,229.80
  6. Step 6: Final answer
    x = 13,519,787.10

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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.