Home / 10,501,385.40-15,752,078.10-6,178,998.60

Finding the Fourth Proportional to 10,501,385.40, 15,752,078.10 and 6,178,998.60

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Solution

The fourth proportional to 10,501,385.40, 15,752,078.10 and 6,178,998.60 is: 9,268,497.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,501,385.40 : 15,752,078.10 = 6,178,998.60 : x
  2. Step 2: Convert to fraction form
    10,501,385.40/15,752,078.10 = 6,178,998.60/x
  3. Step 3: Cross multiply
    10,501,385.40x = 15,752,078.10 × 6,178,998.60
  4. Step 4: Simplify right side
    10,501,385.40x = 97,332,068,526,990.66
  5. Step 5: Solve for x
    x = 97,332,068,526,990.66/10,501,385.40
  6. Step 6: Final answer
    x = 9,268,497.90

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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.