Home / 43,156,871.20-64,727,012.40-12,865,722.40

Finding the Fourth Proportional to 43,156,871.20, 64,727,012.40 and 12,865,722.40

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Solution

The fourth proportional to 43,156,871.20, 64,727,012.40 and 12,865,722.40 is: 19,296,110.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,156,871.20 : 64,727,012.40 = 12,865,722.40 : x
  2. Step 2: Convert to fraction form
    43,156,871.20/64,727,012.40 = 12,865,722.40/x
  3. Step 3: Cross multiply
    43,156,871.20x = 64,727,012.40 × 12,865,722.40
  4. Step 4: Simplify right side
    43,156,871.20x = 832,759,773,319,757.75
  5. Step 5: Solve for x
    x = 832,759,773,319,757.75/43,156,871.20
  6. Step 6: Final answer
    x = 19,296,110.91

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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.