Home / 20,111,381.76-30,170,074.24-9,329,772.48

Finding the Fourth Proportional to 20,111,381.76, 30,170,074.24 and 9,329,772.48

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Solution

The fourth proportional to 20,111,381.76, 30,170,074.24 and 9,329,772.48 is: 13,996,051.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,111,381.76 : 30,170,074.24 = 9,329,772.48 : x
  2. Step 2: Convert to fraction form
    20,111,381.76/30,170,074.24 = 9,329,772.48/x
  3. Step 3: Cross multiply
    20,111,381.76x = 30,170,074.24 × 9,329,772.48
  4. Step 4: Simplify right side
    20,111,381.76x = 281,479,928,363,908.94
  5. Step 5: Solve for x
    x = 281,479,928,363,908.94/20,111,381.76
  6. Step 6: Final answer
    x = 13,996,051.18

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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.