Home / 12,260,042.60-18,392,007.90-4,173,780.20

Finding the Fourth Proportional to 12,260,042.60, 18,392,007.90 and 4,173,780.20

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Solution

The fourth proportional to 12,260,042.60, 18,392,007.90 and 4,173,780.20 is: 6,261,332.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,260,042.60 : 18,392,007.90 = 4,173,780.20 : x
  2. Step 2: Convert to fraction form
    12,260,042.60/18,392,007.90 = 4,173,780.20/x
  3. Step 3: Cross multiply
    12,260,042.60x = 18,392,007.90 × 4,173,780.20
  4. Step 4: Simplify right side
    12,260,042.60x = 76,764,198,411,263.58
  5. Step 5: Solve for x
    x = 76,764,198,411,263.58/12,260,042.60
  6. Step 6: Final answer
    x = 6,261,332.11

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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.