Home / 7,482,117.60-11,223,176.40-2,689,963.20

Finding the Fourth Proportional to 7,482,117.60, 11,223,176.40 and 2,689,963.20

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Solution

The fourth proportional to 7,482,117.60, 11,223,176.40 and 2,689,963.20 is: 4,034,944.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,482,117.60 : 11,223,176.40 = 2,689,963.20 : x
  2. Step 2: Convert to fraction form
    7,482,117.60/11,223,176.40 = 2,689,963.20/x
  3. Step 3: Cross multiply
    7,482,117.60x = 11,223,176.40 × 2,689,963.20
  4. Step 4: Simplify right side
    7,482,117.60x = 30,189,931,503,108.48
  5. Step 5: Solve for x
    x = 30,189,931,503,108.48/7,482,117.60
  6. Step 6: Final answer
    x = 4,034,944.80

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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.