Home / 10,752,001.40-16,128,002.10-9,128,372.60

Finding the Fourth Proportional to 10,752,001.40, 16,128,002.10 and 9,128,372.60

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Solution

The fourth proportional to 10,752,001.40, 16,128,002.10 and 9,128,372.60 is: 13,692,558.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,752,001.40 : 16,128,002.10 = 9,128,372.60 : x
  2. Step 2: Convert to fraction form
    10,752,001.40/16,128,002.10 = 9,128,372.60/x
  3. Step 3: Cross multiply
    10,752,001.40x = 16,128,002.10 × 9,128,372.60
  4. Step 4: Simplify right side
    10,752,001.40x = 147,222,412,462,382.44
  5. Step 5: Solve for x
    x = 147,222,412,462,382.44/10,752,001.40
  6. Step 6: Final answer
    x = 13,692,558.90

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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.