Home / 43,156,872.70-64,727,014.65-12,865,723.90

Finding the Fourth Proportional to 43,156,872.70, 64,727,014.65 and 12,865,723.90

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Solution

The fourth proportional to 43,156,872.70, 64,727,014.65 and 12,865,723.90 is: 19,296,113.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,156,872.70 : 64,727,014.65 = 12,865,723.90 : x
  2. Step 2: Convert to fraction form
    43,156,872.70/64,727,014.65 = 12,865,723.90/x
  3. Step 3: Cross multiply
    43,156,872.70x = 64,727,014.65 × 12,865,723.90
  4. Step 4: Simplify right side
    43,156,872.70x = 832,759,899,358,155.12
  5. Step 5: Solve for x
    x = 832,759,899,358,155.12/43,156,872.70
  6. Step 6: Final answer
    x = 19,296,113.16

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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.