Home / 10,752,557.40-16,128,836.10-5,377,786.20

Finding the Fourth Proportional to 10,752,557.40, 16,128,836.10 and 5,377,786.20

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Solution

The fourth proportional to 10,752,557.40, 16,128,836.10 and 5,377,786.20 is: 8,066,679.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,752,557.40 : 16,128,836.10 = 5,377,786.20 : x
  2. Step 2: Convert to fraction form
    10,752,557.40/16,128,836.10 = 5,377,786.20/x
  3. Step 3: Cross multiply
    10,752,557.40x = 16,128,836.10 × 5,377,786.20
  4. Step 4: Simplify right side
    10,752,557.40x = 86,737,432,200,641.83
  5. Step 5: Solve for x
    x = 86,737,432,200,641.83/10,752,557.40
  6. Step 6: Final answer
    x = 8,066,679.30

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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.