Home / 15,700,175.82-21,663,066.84-9,172,544.04

Finding the Fourth Proportional to 15,700,175.82, 21,663,066.84 and 9,172,544.04

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Solution

The fourth proportional to 15,700,175.82, 21,663,066.84 and 9,172,544.04 is: 12,656,255.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,700,175.82 : 21,663,066.84 = 9,172,544.04 : x
  2. Step 2: Convert to fraction form
    15,700,175.82/21,663,066.84 = 9,172,544.04/x
  3. Step 3: Cross multiply
    15,700,175.82x = 21,663,066.84 × 9,172,544.04
  4. Step 4: Simplify right side
    15,700,175.82x = 198,705,434,631,363.62
  5. Step 5: Solve for x
    x = 198,705,434,631,363.62/15,700,175.82
  6. Step 6: Final answer
    x = 12,656,255.38

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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.