Home / 12,239,734.40-16,890,740-6,732,990.72

Finding the Fourth Proportional to 12,239,734.40, 16,890,740 and 6,732,990.72

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Solution

The fourth proportional to 12,239,734.40, 16,890,740 and 6,732,990.72 is: 9,291,475.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,239,734.40 : 16,890,740 = 6,732,990.72 : x
  2. Step 2: Convert to fraction form
    12,239,734.40/16,890,740 = 6,732,990.72/x
  3. Step 3: Cross multiply
    12,239,734.40x = 16,890,740 × 6,732,990.72
  4. Step 4: Simplify right side
    12,239,734.40x = 113,725,195,673,932.80
  5. Step 5: Solve for x
    x = 113,725,195,673,932.80/12,239,734.40
  6. Step 6: Final answer
    x = 9,291,475.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.