Home / 21,402,929.92-32,104,309.28-7,752,882.56

Finding the Fourth Proportional to 21,402,929.92, 32,104,309.28 and 7,752,882.56

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Solution

The fourth proportional to 21,402,929.92, 32,104,309.28 and 7,752,882.56 is: 11,629,292.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,402,929.92 : 32,104,309.28 = 7,752,882.56 : x
  2. Step 2: Convert to fraction form
    21,402,929.92/32,104,309.28 = 7,752,882.56/x
  3. Step 3: Cross multiply
    21,402,929.92x = 32,104,309.28 × 7,752,882.56
  4. Step 4: Simplify right side
    21,402,929.92x = 248,900,939,517,758.16
  5. Step 5: Solve for x
    x = 248,900,939,517,758.16/21,402,929.92
  6. Step 6: Final answer
    x = 11,629,292.83

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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.