Home / 12,581,217.70-18,843,832.95-10,341,729.70

Finding the Fourth Proportional to 12,581,217.70, 18,843,832.95 and 10,341,729.70

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Solution

The fourth proportional to 12,581,217.70, 18,843,832.95 and 10,341,729.70 is: 15,489,583.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,581,217.70 : 18,843,832.95 = 10,341,729.70 : x
  2. Step 2: Convert to fraction form
    12,581,217.70/18,843,832.95 = 10,341,729.70/x
  3. Step 3: Cross multiply
    12,581,217.70x = 18,843,832.95 × 10,341,729.70
  4. Step 4: Simplify right side
    12,581,217.70x = 194,877,826,880,853.59
  5. Step 5: Solve for x
    x = 194,877,826,880,853.59/12,581,217.70
  6. Step 6: Final answer
    x = 15,489,583.88

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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.