Home / 7,381,127.70-11,071,691.55-6,637,110.30

Finding the Fourth Proportional to 7,381,127.70, 11,071,691.55 and 6,637,110.30

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Solution

The fourth proportional to 7,381,127.70, 11,071,691.55 and 6,637,110.30 is: 9,955,665.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381,127.70 : 11,071,691.55 = 6,637,110.30 : x
  2. Step 2: Convert to fraction form
    7,381,127.70/11,071,691.55 = 6,637,110.30/x
  3. Step 3: Cross multiply
    7,381,127.70x = 11,071,691.55 × 6,637,110.30
  4. Step 4: Simplify right side
    7,381,127.70x = 73,484,038,024,927.97
  5. Step 5: Solve for x
    x = 73,484,038,024,927.97/7,381,127.70
  6. Step 6: Final answer
    x = 9,955,665.45

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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.