Home / 14,517,320.20-21,782,978.70-10,248,296.20

Finding the Fourth Proportional to 14,517,320.20, 21,782,978.70 and 10,248,296.20

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Solution

The fourth proportional to 14,517,320.20, 21,782,978.70 and 10,248,296.20 is: 15,377,384.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,517,320.20 : 21,782,978.70 = 10,248,296.20 : x
  2. Step 2: Convert to fraction form
    14,517,320.20/21,782,978.70 = 10,248,296.20/x
  3. Step 3: Cross multiply
    14,517,320.20x = 21,782,978.70 × 10,248,296.20
  4. Step 4: Simplify right side
    14,517,320.20x = 223,238,417,835,890.91
  5. Step 5: Solve for x
    x = 223,238,417,835,890.91/14,517,320.20
  6. Step 6: Final answer
    x = 15,377,384.72

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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.