Home / 10,957,679.40-16,436,519.10-4,985,711.40

Finding the Fourth Proportional to 10,957,679.40, 16,436,519.10 and 4,985,711.40

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Solution

The fourth proportional to 10,957,679.40, 16,436,519.10 and 4,985,711.40 is: 7,478,567.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,957,679.40 : 16,436,519.10 = 4,985,711.40 : x
  2. Step 2: Convert to fraction form
    10,957,679.40/16,436,519.10 = 4,985,711.40/x
  3. Step 3: Cross multiply
    10,957,679.40x = 16,436,519.10 × 4,985,711.40
  4. Step 4: Simplify right side
    10,957,679.40x = 81,947,740,653,187.75
  5. Step 5: Solve for x
    x = 81,947,740,653,187.75/10,957,679.40
  6. Step 6: Final answer
    x = 7,478,567.10

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Similar ratio
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1.5x scale

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.