Home / 30,617,400.60-45,926,100.90-28,279,060.20

Finding the Fourth Proportional to 30,617,400.60, 45,926,100.90 and 28,279,060.20

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Solution

The fourth proportional to 30,617,400.60, 45,926,100.90 and 28,279,060.20 is: 42,418,590.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,617,400.60 : 45,926,100.90 = 28,279,060.20 : x
  2. Step 2: Convert to fraction form
    30,617,400.60/45,926,100.90 = 28,279,060.20/x
  3. Step 3: Cross multiply
    30,617,400.60x = 45,926,100.90 × 28,279,060.20
  4. Step 4: Simplify right side
    30,617,400.60x = 1,298,746,972,102,374
  5. Step 5: Solve for x
    x = 1,298,746,972,102,374/30,617,400.60
  6. Step 6: Final answer
    x = 42,418,590.30

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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.