Home / 21,451,215.19-32,169,989.62-7,071,602.71

Finding the Fourth Proportional to 21,451,215.19, 32,169,989.62 and 7,071,602.71

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Solution

The fourth proportional to 21,451,215.19, 32,169,989.62 and 7,071,602.71 is: 10,605,151.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,451,215.19 : 32,169,989.62 = 7,071,602.71 : x
  2. Step 2: Convert to fraction form
    21,451,215.19/32,169,989.62 = 7,071,602.71/x
  3. Step 3: Cross multiply
    21,451,215.19x = 32,169,989.62 × 7,071,602.71
  4. Step 4: Simplify right side
    21,451,215.19x = 227,493,385,777,463.88
  5. Step 5: Solve for x
    x = 227,493,385,777,463.88/21,451,215.19
  6. Step 6: Final answer
    x = 10,605,151.45

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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.