Home / 7,780,462.43-11,671,254.15-2,988,151.70

Finding the Fourth Proportional to 7,780,462.43, 11,671,254.15 and 2,988,151.70

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Solution

The fourth proportional to 7,780,462.43, 11,671,254.15 and 2,988,151.70 is: 4,482,442.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,780,462.43 : 11,671,254.15 = 2,988,151.70 : x
  2. Step 2: Convert to fraction form
    7,780,462.43/11,671,254.15 = 2,988,151.70/x
  3. Step 3: Cross multiply
    7,780,462.43x = 11,671,254.15 × 2,988,151.70
  4. Step 4: Simplify right side
    7,780,462.43x = 34,875,477,914,513.80
  5. Step 5: Solve for x
    x = 34,875,477,914,513.80/7,780,462.43
  6. Step 6: Final answer
    x = 4,482,442.81

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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.