Home / 12,602,972.40-18,862,468.20-11,595,202.80

Finding the Fourth Proportional to 12,602,972.40, 18,862,468.20 and 11,595,202.80

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Solution

The fourth proportional to 12,602,972.40, 18,862,468.20 and 11,595,202.80 is: 17,354,171.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,602,972.40 : 18,862,468.20 = 11,595,202.80 : x
  2. Step 2: Convert to fraction form
    12,602,972.40/18,862,468.20 = 11,595,202.80/x
  3. Step 3: Cross multiply
    12,602,972.40x = 18,862,468.20 × 11,595,202.80
  4. Step 4: Simplify right side
    12,602,972.40x = 218,714,144,087,550.97
  5. Step 5: Solve for x
    x = 218,714,144,087,550.97/12,602,972.40
  6. Step 6: Final answer
    x = 17,354,171.47

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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.