Home / 12,251,716.40-18,377,574.60-12,062,759.60

Finding the Fourth Proportional to 12,251,716.40, 18,377,574.60 and 12,062,759.60

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Solution

The fourth proportional to 12,251,716.40, 18,377,574.60 and 12,062,759.60 is: 18,094,139.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,251,716.40 : 18,377,574.60 = 12,062,759.60 : x
  2. Step 2: Convert to fraction form
    12,251,716.40/18,377,574.60 = 12,062,759.60/x
  3. Step 3: Cross multiply
    12,251,716.40x = 18,377,574.60 × 12,062,759.60
  4. Step 4: Simplify right side
    12,251,716.40x = 221,684,264,430,866.16
  5. Step 5: Solve for x
    x = 221,684,264,430,866.16/12,251,716.40
  6. Step 6: Final answer
    x = 18,094,139.40

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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.