Home / 7,780,459.30-11,671,249.46-2,988,148.57

Finding the Fourth Proportional to 7,780,459.30, 11,671,249.46 and 2,988,148.57

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Solution

The fourth proportional to 7,780,459.30, 11,671,249.46 and 2,988,148.57 is: 4,482,438.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,780,459.30 : 11,671,249.46 = 2,988,148.57 : x
  2. Step 2: Convert to fraction form
    7,780,459.30/11,671,249.46 = 2,988,148.57/x
  3. Step 3: Cross multiply
    7,780,459.30x = 11,671,249.46 × 2,988,148.57
  4. Step 4: Simplify right side
    7,780,459.30x = 34,875,427,310,715.28
  5. Step 5: Solve for x
    x = 34,875,427,310,715.28/7,780,459.30
  6. Step 6: Final answer
    x = 4,482,438.12

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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.