Home / 30,754,590.30-46,132,432.20-9,189,458.10

Finding the Fourth Proportional to 30,754,590.30, 46,132,432.20 and 9,189,458.10

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Solution

The fourth proportional to 30,754,590.30, 46,132,432.20 and 9,189,458.10 is: 13,784,350.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,754,590.30 : 46,132,432.20 = 9,189,458.10 : x
  2. Step 2: Convert to fraction form
    30,754,590.30/46,132,432.20 = 9,189,458.10/x
  3. Step 3: Cross multiply
    30,754,590.30x = 46,132,432.20 × 9,189,458.10
  4. Step 4: Simplify right side
    30,754,590.30x = 423,932,052,752,990.81
  5. Step 5: Solve for x
    x = 423,932,052,752,990.81/30,754,590.30
  6. Step 6: Final answer
    x = 13,784,350.52

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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.