Home / 10,752,346.90-16,128,520.35-9,931,201.30

Finding the Fourth Proportional to 10,752,346.90, 16,128,520.35 and 9,931,201.30

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Solution

The fourth proportional to 10,752,346.90, 16,128,520.35 and 9,931,201.30 is: 14,896,801.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,752,346.90 : 16,128,520.35 = 9,931,201.30 : x
  2. Step 2: Convert to fraction form
    10,752,346.90/16,128,520.35 = 9,931,201.30/x
  3. Step 3: Cross multiply
    10,752,346.90x = 16,128,520.35 × 9,931,201.30
  4. Step 4: Simplify right side
    10,752,346.90x = 160,175,582,266,996.47
  5. Step 5: Solve for x
    x = 160,175,582,266,996.47/10,752,346.90
  6. Step 6: Final answer
    x = 14,896,801.95

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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.