Home / 15,247,925.30-21,042,137.02-8,372,407.36

Finding the Fourth Proportional to 15,247,925.30, 21,042,137.02 and 8,372,407.36

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Solution

The fourth proportional to 15,247,925.30, 21,042,137.02 and 8,372,407.36 is: 11,553,922.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,247,925.30 : 21,042,137.02 = 8,372,407.36 : x
  2. Step 2: Convert to fraction form
    15,247,925.30/21,042,137.02 = 8,372,407.36/x
  3. Step 3: Cross multiply
    15,247,925.30x = 21,042,137.02 × 8,372,407.36
  4. Step 4: Simplify right side
    15,247,925.30x = 176,173,342,866,841.97
  5. Step 5: Solve for x
    x = 176,173,342,866,841.97/15,247,925.30
  6. Step 6: Final answer
    x = 11,553,922.22

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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.