Home / 18,452,001.90-27,678,002.85-9,842,657.70

Finding the Fourth Proportional to 18,452,001.90, 27,678,002.85 and 9,842,657.70

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Solution

The fourth proportional to 18,452,001.90, 27,678,002.85 and 9,842,657.70 is: 14,763,986.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,452,001.90 : 27,678,002.85 = 9,842,657.70 : x
  2. Step 2: Convert to fraction form
    18,452,001.90/27,678,002.85 = 9,842,657.70/x
  3. Step 3: Cross multiply
    18,452,001.90x = 27,678,002.85 × 9,842,657.70
  4. Step 4: Simplify right side
    18,452,001.90x = 272,425,107,872,174.44
  5. Step 5: Solve for x
    x = 272,425,107,872,174.44/18,452,001.90
  6. Step 6: Final answer
    x = 14,763,986.55

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1.5x scale

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.