Home / 15,611,082.20-23,439,642.76-8,708,049.28

Finding the Fourth Proportional to 15,611,082.20, 23,439,642.76 and 8,708,049.28

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Solution

The fourth proportional to 15,611,082.20, 23,439,642.76 and 8,708,049.28 is: 13,074,914.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,611,082.20 : 23,439,642.76 = 8,708,049.28 : x
  2. Step 2: Convert to fraction form
    15,611,082.20/23,439,642.76 = 8,708,049.28/x
  3. Step 3: Cross multiply
    15,611,082.20x = 23,439,642.76 × 8,708,049.28
  4. Step 4: Simplify right side
    15,611,082.20x = 204,113,564,142,477.03
  5. Step 5: Solve for x
    x = 204,113,564,142,477.03/15,611,082.20
  6. Step 6: Final answer
    x = 13,074,914.45

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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.