Home / 10,208,981.70-15,313,472.55-7,339,200.30

Finding the Fourth Proportional to 10,208,981.70, 15,313,472.55 and 7,339,200.30

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Solution

The fourth proportional to 10,208,981.70, 15,313,472.55 and 7,339,200.30 is: 11,008,800.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,208,981.70 : 15,313,472.55 = 7,339,200.30 : x
  2. Step 2: Convert to fraction form
    10,208,981.70/15,313,472.55 = 7,339,200.30/x
  3. Step 3: Cross multiply
    10,208,981.70x = 15,313,472.55 × 7,339,200.30
  4. Step 4: Simplify right side
    10,208,981.70x = 112,388,642,333,001.77
  5. Step 5: Solve for x
    x = 112,388,642,333,001.77/10,208,981.70
  6. Step 6: Final answer
    x = 11,008,800.45

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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.