Home / 21,451,214.19-32,169,988.13-7,071,601.71

Finding the Fourth Proportional to 21,451,214.19, 32,169,988.13 and 7,071,601.71

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Solution

The fourth proportional to 21,451,214.19, 32,169,988.13 and 7,071,601.71 is: 10,605,149.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,451,214.19 : 32,169,988.13 = 7,071,601.71 : x
  2. Step 2: Convert to fraction form
    21,451,214.19/32,169,988.13 = 7,071,601.71/x
  3. Step 3: Cross multiply
    21,451,214.19x = 32,169,988.13 × 7,071,601.71
  4. Step 4: Simplify right side
    21,451,214.19x = 227,493,343,035,429.69
  5. Step 5: Solve for x
    x = 227,493,343,035,429.69/21,451,214.19
  6. Step 6: Final answer
    x = 10,605,149.95

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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.