Home / 29,156,639.60-43,740,208.20-12,119,034.80

Finding the Fourth Proportional to 29,156,639.60, 43,740,208.20 and 12,119,034.80

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Solution

The fourth proportional to 29,156,639.60, 43,740,208.20 and 12,119,034.80 is: 18,180,733.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,156,639.60 : 43,740,208.20 = 12,119,034.80 : x
  2. Step 2: Convert to fraction form
    29,156,639.60/43,740,208.20 = 12,119,034.80/x
  3. Step 3: Cross multiply
    29,156,639.60x = 43,740,208.20 × 12,119,034.80
  4. Step 4: Simplify right side
    29,156,639.60x = 530,089,105,335,045.44
  5. Step 5: Solve for x
    x = 530,089,105,335,045.44/29,156,639.60
  6. Step 6: Final answer
    x = 18,180,733.88

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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.