Home / 13,815,032.32-20,725,041.92-6,245,562.88

Finding the Fourth Proportional to 13,815,032.32, 20,725,041.92 and 6,245,562.88

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Solution

The fourth proportional to 13,815,032.32, 20,725,041.92 and 6,245,562.88 is: 9,369,471.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,815,032.32 : 20,725,041.92 = 6,245,562.88 : x
  2. Step 2: Convert to fraction form
    13,815,032.32/20,725,041.92 = 6,245,562.88/x
  3. Step 3: Cross multiply
    13,815,032.32x = 20,725,041.92 × 6,245,562.88
  4. Step 4: Simplify right side
    13,815,032.32x = 129,439,552,501,995.94
  5. Step 5: Solve for x
    x = 129,439,552,501,995.94/13,815,032.32
  6. Step 6: Final answer
    x = 9,369,471.57

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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.