Home / 10,339,354.80-15,509,615.40-3,151,123.20

Finding the Fourth Proportional to 10,339,354.80, 15,509,615.40 and 3,151,123.20

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Solution

The fourth proportional to 10,339,354.80, 15,509,615.40 and 3,151,123.20 is: 4,726,862.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,339,354.80 : 15,509,615.40 = 3,151,123.20 : x
  2. Step 2: Convert to fraction form
    10,339,354.80/15,509,615.40 = 3,151,123.20/x
  3. Step 3: Cross multiply
    10,339,354.80x = 15,509,615.40 × 3,151,123.20
  4. Step 4: Simplify right side
    10,339,354.80x = 48,872,708,910,017.28
  5. Step 5: Solve for x
    x = 48,872,708,910,017.28/10,339,354.80
  6. Step 6: Final answer
    x = 4,726,862.54

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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.