Home / 12,418,295.45-18,630,543.26-4,331,387.30

Finding the Fourth Proportional to 12,418,295.45, 18,630,543.26 and 4,331,387.30

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Solution

The fourth proportional to 12,418,295.45, 18,630,543.26 and 4,331,387.30 is: 6,498,162.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,418,295.45 : 18,630,543.26 = 4,331,387.30 : x
  2. Step 2: Convert to fraction form
    12,418,295.45/18,630,543.26 = 4,331,387.30/x
  3. Step 3: Cross multiply
    12,418,295.45x = 18,630,543.26 × 4,331,387.30
  4. Step 4: Simplify right side
    12,418,295.45x = 80,696,098,386,140.34
  5. Step 5: Solve for x
    x = 80,696,098,386,140.34/12,418,295.45
  6. Step 6: Final answer
    x = 6,498,162.23

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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.