Home / 28,514,442.60-42,708,678.30-15,035,524.20

Finding the Fourth Proportional to 28,514,442.60, 42,708,678.30 and 15,035,524.20

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Solution

The fourth proportional to 28,514,442.60, 42,708,678.30 and 15,035,524.20 is: 22,520,074.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,514,442.60 : 42,708,678.30 = 15,035,524.20 : x
  2. Step 2: Convert to fraction form
    28,514,442.60/42,708,678.30 = 15,035,524.20/x
  3. Step 3: Cross multiply
    28,514,442.60x = 42,708,678.30 × 15,035,524.20
  4. Step 4: Simplify right side
    28,514,442.60x = 642,147,366,129,664.75
  5. Step 5: Solve for x
    x = 642,147,366,129,664.75/28,514,442.60
  6. Step 6: Final answer
    x = 22,520,074.31

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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.