Home / 28,388,001.90-42,582,002.85-10,200,909.90

Finding the Fourth Proportional to 28,388,001.90, 42,582,002.85 and 10,200,909.90

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Solution

The fourth proportional to 28,388,001.90, 42,582,002.85 and 10,200,909.90 is: 15,301,364.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,388,001.90 : 42,582,002.85 = 10,200,909.90 : x
  2. Step 2: Convert to fraction form
    28,388,001.90/42,582,002.85 = 10,200,909.90/x
  3. Step 3: Cross multiply
    28,388,001.90x = 42,582,002.85 × 10,200,909.90
  4. Step 4: Simplify right side
    28,388,001.90x = 434,375,174,434,393.25
  5. Step 5: Solve for x
    x = 434,375,174,434,393.25/28,388,001.90
  6. Step 6: Final answer
    x = 15,301,364.85

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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.