Home / 18,280,000.61-25,211,691.69-16,070,138.56

Finding the Fourth Proportional to 18,280,000.61, 25,211,691.69 and 16,070,138.56

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Solution

The fourth proportional to 18,280,000.61, 25,211,691.69 and 16,070,138.56 is: 22,163,860.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,280,000.61 : 25,211,691.69 = 16,070,138.56 : x
  2. Step 2: Convert to fraction form
    18,280,000.61/25,211,691.69 = 16,070,138.56/x
  3. Step 3: Cross multiply
    18,280,000.61x = 25,211,691.69 × 16,070,138.56
  4. Step 4: Simplify right side
    18,280,000.61x = 405,155,378,664,242.12
  5. Step 5: Solve for x
    x = 405,155,378,664,242.12/18,280,000.61
  6. Step 6: Final answer
    x = 22,163,860.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.