Home / 15,468,038.52-21,345,128.14-8,941,046.37

Finding the Fourth Proportional to 15,468,038.52, 21,345,128.14 and 8,941,046.37

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Solution

The fourth proportional to 15,468,038.52, 21,345,128.14 and 8,941,046.37 is: 12,338,201.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,468,038.52 : 21,345,128.14 = 8,941,046.37 : x
  2. Step 2: Convert to fraction form
    15,468,038.52/21,345,128.14 = 8,941,046.37/x
  3. Step 3: Cross multiply
    15,468,038.52x = 21,345,128.14 × 8,941,046.37
  4. Step 4: Simplify right side
    15,468,038.52x = 190,847,780,473,331.84
  5. Step 5: Solve for x
    x = 190,847,780,473,331.84/15,468,038.52
  6. Step 6: Final answer
    x = 12,338,201.78

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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.