Home / 10,865,595.40-16,329,885.90-9,479,912.20

Finding the Fourth Proportional to 10,865,595.40, 16,329,885.90 and 9,479,912.20

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Solution

The fourth proportional to 10,865,595.40, 16,329,885.90 and 9,479,912.20 is: 14,247,344.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865,595.40 : 16,329,885.90 = 9,479,912.20 : x
  2. Step 2: Convert to fraction form
    10,865,595.40/16,329,885.90 = 9,479,912.20/x
  3. Step 3: Cross multiply
    10,865,595.40x = 16,329,885.90 × 9,479,912.20
  4. Step 4: Simplify right side
    10,865,595.40x = 154,805,884,568,017.97
  5. Step 5: Solve for x
    x = 154,805,884,568,017.97/10,865,595.40
  6. Step 6: Final answer
    x = 14,247,344.84

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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.