Home / 22,164,339.90-30,597,155.87-12,870,099.57

Finding the Fourth Proportional to 22,164,339.90, 30,597,155.87 and 12,870,099.57

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Solution

The fourth proportional to 22,164,339.90, 30,597,155.87 and 12,870,099.57 is: 17,766,757.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,164,339.90 : 30,597,155.87 = 12,870,099.57 : x
  2. Step 2: Convert to fraction form
    22,164,339.90/30,597,155.87 = 12,870,099.57/x
  3. Step 3: Cross multiply
    22,164,339.90x = 30,597,155.87 × 12,870,099.57
  4. Step 4: Simplify right side
    22,164,339.90x = 393,788,442,541,359.44
  5. Step 5: Solve for x
    x = 393,788,442,541,359.44/22,164,339.90
  6. Step 6: Final answer
    x = 17,766,757.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.