Home / 19,167,172.83-28,733,963.09-7,208,306.91

Finding the Fourth Proportional to 19,167,172.83, 28,733,963.09 and 7,208,306.91

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Solution

The fourth proportional to 19,167,172.83, 28,733,963.09 and 7,208,306.91 is: 10,806,143.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,167,172.83 : 28,733,963.09 = 7,208,306.91 : x
  2. Step 2: Convert to fraction form
    19,167,172.83/28,733,963.09 = 7,208,306.91/x
  3. Step 3: Cross multiply
    19,167,172.83x = 28,733,963.09 × 7,208,306.91
  4. Step 4: Simplify right side
    19,167,172.83x = 207,123,224,657,290.44
  5. Step 5: Solve for x
    x = 207,123,224,657,290.44/19,167,172.83
  6. Step 6: Final answer
    x = 10,806,143.74

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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.