Home / 15,265,648.62-21,066,350.31-8,389,983.06

Finding the Fourth Proportional to 15,265,648.62, 21,066,350.31 and 8,389,983.06

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Solution

The fourth proportional to 15,265,648.62, 21,066,350.31 and 8,389,983.06 is: 11,578,042.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,265,648.62 : 21,066,350.31 = 8,389,983.06 : x
  2. Step 2: Convert to fraction form
    15,265,648.62/21,066,350.31 = 8,389,983.06/x
  3. Step 3: Cross multiply
    15,265,648.62x = 21,066,350.31 × 8,389,983.06
  4. Step 4: Simplify right side
    15,265,648.62x = 176,746,322,236,925.75
  5. Step 5: Solve for x
    x = 176,746,322,236,925.75/15,265,648.62
  6. Step 6: Final answer
    x = 11,578,042.09

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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.