Home / 16,820,536.20-25,138,645.74-12,281,155.20

Finding the Fourth Proportional to 16,820,536.20, 25,138,645.74 and 12,281,155.20

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Solution

The fourth proportional to 16,820,536.20, 25,138,645.74 and 12,281,155.20 is: 18,354,445.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,820,536.20 : 25,138,645.74 = 12,281,155.20 : x
  2. Step 2: Convert to fraction form
    16,820,536.20/25,138,645.74 = 12,281,155.20/x
  3. Step 3: Cross multiply
    16,820,536.20x = 25,138,645.74 × 12,281,155.20
  4. Step 4: Simplify right side
    16,820,536.20x = 308,731,609,850,758.81
  5. Step 5: Solve for x
    x = 308,731,609,850,758.81/16,820,536.20
  6. Step 6: Final answer
    x = 18,354,445.20

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.