Home / 9,113,929.20-13,676,142.60-3,438,226.80

Finding the Fourth Proportional to 9,113,929.20, 13,676,142.60 and 3,438,226.80

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Solution

The fourth proportional to 9,113,929.20, 13,676,142.60 and 3,438,226.80 is: 5,159,320.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,113,929.20 : 13,676,142.60 = 3,438,226.80 : x
  2. Step 2: Convert to fraction form
    9,113,929.20/13,676,142.60 = 3,438,226.80/x
  3. Step 3: Cross multiply
    9,113,929.20x = 13,676,142.60 × 3,438,226.80
  4. Step 4: Simplify right side
    9,113,929.20x = 47,021,680,007,941.68
  5. Step 5: Solve for x
    x = 47,021,680,007,941.68/9,113,929.20
  6. Step 6: Final answer
    x = 5,159,320.31

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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.