Home / 9,001,939.20-13,502,909.37-2,178,513.03

Finding the Fourth Proportional to 9,001,939.20, 13,502,909.37 and 2,178,513.03

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Solution

The fourth proportional to 9,001,939.20, 13,502,909.37 and 2,178,513.03 is: 3,267,769.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,001,939.20 : 13,502,909.37 = 2,178,513.03 : x
  2. Step 2: Convert to fraction form
    9,001,939.20/13,502,909.37 = 2,178,513.03/x
  3. Step 3: Cross multiply
    9,001,939.20x = 13,502,909.37 × 2,178,513.03
  4. Step 4: Simplify right side
    9,001,939.20x = 29,416,264,005,454.09
  5. Step 5: Solve for x
    x = 29,416,264,005,454.09/9,001,939.20
  6. Step 6: Final answer
    x = 3,267,769.68

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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.