Home / 38,247,316.98-52,779,758.49-20,843,290.86

Finding the Fourth Proportional to 38,247,316.98, 52,779,758.49 and 20,843,290.86

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Solution

The fourth proportional to 38,247,316.98, 52,779,758.49 and 20,843,290.86 is: 28,762,902.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,247,316.98 : 52,779,758.49 = 20,843,290.86 : x
  2. Step 2: Convert to fraction form
    38,247,316.98/52,779,758.49 = 20,843,290.86/x
  3. Step 3: Cross multiply
    38,247,316.98x = 52,779,758.49 × 20,843,290.86
  4. Step 4: Simplify right side
    38,247,316.98x = 1,100,103,857,727,624.38
  5. Step 5: Solve for x
    x = 1,100,103,857,727,624.38/38,247,316.98
  6. Step 6: Final answer
    x = 28,762,902.72

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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.