Home / 21,521,391.40-32,218,119.42-21,493,047.88

Finding the Fourth Proportional to 21,521,391.40, 32,218,119.42 and 21,493,047.88

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Solution

The fourth proportional to 21,521,391.40, 32,218,119.42 and 21,493,047.88 is: 32,175,688.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,521,391.40 : 32,218,119.42 = 21,493,047.88 : x
  2. Step 2: Convert to fraction form
    21,521,391.40/32,218,119.42 = 21,493,047.88/x
  3. Step 3: Cross multiply
    21,521,391.40x = 32,218,119.42 × 21,493,047.88
  4. Step 4: Simplify right side
    21,521,391.40x = 692,465,583,297,617.88
  5. Step 5: Solve for x
    x = 692,465,583,297,617.88/21,521,391.40
  6. Step 6: Final answer
    x = 32,175,688.38

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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.