Home / 36,781,271.20-55,176,487.08-12,518,333.56

Finding the Fourth Proportional to 36,781,271.20, 55,176,487.08 and 12,518,333.56

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Solution

The fourth proportional to 36,781,271.20, 55,176,487.08 and 12,518,333.56 is: 18,779,059.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,781,271.20 : 55,176,487.08 = 12,518,333.56 : x
  2. Step 2: Convert to fraction form
    36,781,271.20/55,176,487.08 = 12,518,333.56/x
  3. Step 3: Cross multiply
    36,781,271.20x = 55,176,487.08 × 12,518,333.56
  4. Step 4: Simplify right side
    36,781,271.20x = 690,717,669,936,470.38
  5. Step 5: Solve for x
    x = 690,717,669,936,470.38/36,781,271.20
  6. Step 6: Final answer
    x = 18,779,059.22

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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.