Home / 43,156,813.20-64,726,925.40-12,865,664.40

Finding the Fourth Proportional to 43,156,813.20, 64,726,925.40 and 12,865,664.40

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Solution

The fourth proportional to 43,156,813.20, 64,726,925.40 and 12,865,664.40 is: 19,296,023.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,156,813.20 : 64,726,925.40 = 12,865,664.40 : x
  2. Step 2: Convert to fraction form
    43,156,813.20/64,726,925.40 = 12,865,664.40/x
  3. Step 3: Cross multiply
    43,156,813.20x = 64,726,925.40 × 12,865,664.40
  4. Step 4: Simplify right side
    43,156,813.20x = 832,754,899,840,235.75
  5. Step 5: Solve for x
    x = 832,754,899,840,235.75/43,156,813.20
  6. Step 6: Final answer
    x = 19,296,023.92

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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.