Home / 20,309,071.92-30,462,486.55-14,849,761.21

Finding the Fourth Proportional to 20,309,071.92, 30,462,486.55 and 14,849,761.21

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Solution

The fourth proportional to 20,309,071.92, 30,462,486.55 and 14,849,761.21 is: 22,273,821.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,309,071.92 : 30,462,486.55 = 14,849,761.21 : x
  2. Step 2: Convert to fraction form
    20,309,071.92/30,462,486.55 = 14,849,761.21/x
  3. Step 3: Cross multiply
    20,309,071.92x = 30,462,486.55 × 14,849,761.21
  4. Step 4: Simplify right side
    20,309,071.92x = 452,360,651,130,336.75
  5. Step 5: Solve for x
    x = 452,360,651,130,336.75/20,309,071.92
  6. Step 6: Final answer
    x = 22,273,821.91

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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.