Home / 19,392,139.98-26,761,234.20-10,690,121.66

Finding the Fourth Proportional to 19,392,139.98, 26,761,234.20 and 10,690,121.66

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Solution

The fourth proportional to 19,392,139.98, 26,761,234.20 and 10,690,121.66 is: 14,752,412.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,392,139.98 : 26,761,234.20 = 10,690,121.66 : x
  2. Step 2: Convert to fraction form
    19,392,139.98/26,761,234.20 = 10,690,121.66/x
  3. Step 3: Cross multiply
    19,392,139.98x = 26,761,234.20 × 10,690,121.66
  4. Step 4: Simplify right side
    19,392,139.98x = 286,080,849,369,752.75
  5. Step 5: Solve for x
    x = 286,080,849,369,752.75/19,392,139.98
  6. Step 6: Final answer
    x = 14,752,412.56

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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.