Home / 12,777,882.93-17,631,398.61-7,550,164.20

Finding the Fourth Proportional to 12,777,882.93, 17,631,398.61 and 7,550,164.20

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Solution

The fourth proportional to 12,777,882.93, 17,631,398.61 and 7,550,164.20 is: 10,417,997.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,777,882.93 : 17,631,398.61 = 7,550,164.20 : x
  2. Step 2: Convert to fraction form
    12,777,882.93/17,631,398.61 = 7,550,164.20/x
  3. Step 3: Cross multiply
    12,777,882.93x = 17,631,398.61 × 7,550,164.20
  4. Step 4: Simplify right side
    12,777,882.93x = 133,119,954,581,151.77
  5. Step 5: Solve for x
    x = 133,119,954,581,151.77/12,777,882.93
  6. Step 6: Final answer
    x = 10,417,997.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.