Home / 12,281,862.70-18,389,616.45-9,627,654.70

Finding the Fourth Proportional to 12,281,862.70, 18,389,616.45 and 9,627,654.70

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Solution

The fourth proportional to 12,281,862.70, 18,389,616.45 and 9,627,654.70 is: 14,415,474.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,281,862.70 : 18,389,616.45 = 9,627,654.70 : x
  2. Step 2: Convert to fraction form
    12,281,862.70/18,389,616.45 = 9,627,654.70/x
  3. Step 3: Cross multiply
    12,281,862.70x = 18,389,616.45 × 9,627,654.70
  4. Step 4: Simplify right side
    12,281,862.70x = 177,048,877,246,039.78
  5. Step 5: Solve for x
    x = 177,048,877,246,039.78/12,281,862.70
  6. Step 6: Final answer
    x = 14,415,474.39

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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.