Home / 7,452,001.80-11,178,002.70-6,389,119.80

Finding the Fourth Proportional to 7,452,001.80, 11,178,002.70 and 6,389,119.80

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Solution

The fourth proportional to 7,452,001.80, 11,178,002.70 and 6,389,119.80 is: 9,583,679.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,452,001.80 : 11,178,002.70 = 6,389,119.80 : x
  2. Step 2: Convert to fraction form
    7,452,001.80/11,178,002.70 = 6,389,119.80/x
  3. Step 3: Cross multiply
    7,452,001.80x = 11,178,002.70 × 6,389,119.80
  4. Step 4: Simplify right side
    7,452,001.80x = 71,417,598,375,023.45
  5. Step 5: Solve for x
    x = 71,417,598,375,023.45/7,452,001.80
  6. Step 6: Final answer
    x = 9,583,679.70

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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.