Home / 12,172,451.71-18,229,697.38-7,044,071.17

Finding the Fourth Proportional to 12,172,451.71, 18,229,697.38 and 7,044,071.17

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Solution

The fourth proportional to 12,172,451.71, 18,229,697.38 and 7,044,071.17 is: 10,549,336.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,172,451.71 : 18,229,697.38 = 7,044,071.17 : x
  2. Step 2: Convert to fraction form
    12,172,451.71/18,229,697.38 = 7,044,071.17/x
  3. Step 3: Cross multiply
    12,172,451.71x = 18,229,697.38 × 7,044,071.17
  4. Step 4: Simplify right side
    12,172,451.71x = 128,411,285,752,282.53
  5. Step 5: Solve for x
    x = 128,411,285,752,282.53/12,172,451.71
  6. Step 6: Final answer
    x = 10,549,336.22

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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.