Home / 18,280,000.10-25,211,691-16,070,138.06

Finding the Fourth Proportional to 18,280,000.10, 25,211,691 and 16,070,138.06

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Solution

The fourth proportional to 18,280,000.10, 25,211,691 and 16,070,138.06 is: 22,163,859.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,280,000.10 : 25,211,691 = 16,070,138.06 : x
  2. Step 2: Convert to fraction form
    18,280,000.10/25,211,691 = 16,070,138.06/x
  3. Step 3: Cross multiply
    18,280,000.10x = 25,211,691 × 16,070,138.06
  4. Step 4: Simplify right side
    18,280,000.10x = 405,155,354,970,001
  5. Step 5: Solve for x
    x = 405,155,354,970,001/18,280,000.10
  6. Step 6: Final answer
    x = 22,163,859.56

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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.