Home / 12,530,276.52-18,795,430.87-3,432,454.12

Finding the Fourth Proportional to 12,530,276.52, 18,795,430.87 and 3,432,454.12

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Solution

The fourth proportional to 12,530,276.52, 18,795,430.87 and 3,432,454.12 is: 5,148,685.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,530,276.52 : 18,795,430.87 = 3,432,454.12 : x
  2. Step 2: Convert to fraction form
    12,530,276.52/18,795,430.87 = 3,432,454.12/x
  3. Step 3: Cross multiply
    12,530,276.52x = 18,795,430.87 × 3,432,454.12
  4. Step 4: Simplify right side
    12,530,276.52x = 64,514,454,161,127.40
  5. Step 5: Solve for x
    x = 64,514,454,161,127.40/12,530,276.52
  6. Step 6: Final answer
    x = 5,148,685.59

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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.