Home / 21,987,160.62-30,342,317.22-12,197,605.14

Finding the Fourth Proportional to 21,987,160.62, 30,342,317.22 and 12,197,605.14

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Solution

The fourth proportional to 21,987,160.62, 30,342,317.22 and 12,197,605.14 is: 16,832,714.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,987,160.62 : 30,342,317.22 = 12,197,605.14 : x
  2. Step 2: Convert to fraction form
    21,987,160.62/30,342,317.22 = 12,197,605.14/x
  3. Step 3: Cross multiply
    21,987,160.62x = 30,342,317.22 × 12,197,605.14
  4. Step 4: Simplify right side
    21,987,160.62x = 370,103,604,482,182.50
  5. Step 5: Solve for x
    x = 370,103,604,482,182.50/21,987,160.62
  6. Step 6: Final answer
    x = 16,832,714.82

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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.