Home / 72,015,497.04-108,023,250.15-17,428,087.74

Finding the Fourth Proportional to 72,015,497.04, 108,023,250.15 and 17,428,087.74

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Solution

The fourth proportional to 72,015,497.04, 108,023,250.15 and 17,428,087.74 is: 26,142,132.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,015,497.04 : 108,023,250.15 = 17,428,087.74 : x
  2. Step 2: Convert to fraction form
    72,015,497.04/108,023,250.15 = 17,428,087.74/x
  3. Step 3: Cross multiply
    72,015,497.04x = 108,023,250.15 × 17,428,087.74
  4. Step 4: Simplify right side
    72,015,497.04x = 1,882,638,681,574,168
  5. Step 5: Solve for x
    x = 1,882,638,681,574,168/72,015,497.04
  6. Step 6: Final answer
    x = 26,142,132.72

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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.