Home / 15,459,946.80-23,189,920.20-9,711,927.60

Finding the Fourth Proportional to 15,459,946.80, 23,189,920.20 and 9,711,927.60

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Solution

The fourth proportional to 15,459,946.80, 23,189,920.20 and 9,711,927.60 is: 14,567,891.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,459,946.80 : 23,189,920.20 = 9,711,927.60 : x
  2. Step 2: Convert to fraction form
    15,459,946.80/23,189,920.20 = 9,711,927.60/x
  3. Step 3: Cross multiply
    15,459,946.80x = 23,189,920.20 × 9,711,927.60
  4. Step 4: Simplify right side
    15,459,946.80x = 225,218,826,032,177.50
  5. Step 5: Solve for x
    x = 225,218,826,032,177.50/15,459,946.80
  6. Step 6: Final answer
    x = 14,567,891.40

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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.