Home / 8,657,938.42-12,961,016.27-5,235,868.44

Finding the Fourth Proportional to 8,657,938.42, 12,961,016.27 and 5,235,868.44

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Solution

The fourth proportional to 8,657,938.42, 12,961,016.27 and 5,235,868.44 is: 7,838,144.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,657,938.42 : 12,961,016.27 = 5,235,868.44 : x
  2. Step 2: Convert to fraction form
    8,657,938.42/12,961,016.27 = 5,235,868.44/x
  3. Step 3: Cross multiply
    8,657,938.42x = 12,961,016.27 × 5,235,868.44
  4. Step 4: Simplify right side
    8,657,938.42x = 67,862,176,038,419.52
  5. Step 5: Solve for x
    x = 67,862,176,038,419.52/8,657,938.42
  6. Step 6: Final answer
    x = 7,838,144.92

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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.