Home / 20,234,870.40-27,924,786-11,067,513.42

Finding the Fourth Proportional to 20,234,870.40, 27,924,786 and 11,067,513.42

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Solution

The fourth proportional to 20,234,870.40, 27,924,786 and 11,067,513.42 is: 15,273,532.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,234,870.40 : 27,924,786 = 11,067,513.42 : x
  2. Step 2: Convert to fraction form
    20,234,870.40/27,924,786 = 11,067,513.42/x
  3. Step 3: Cross multiply
    20,234,870.40x = 27,924,786 × 11,067,513.42
  4. Step 4: Simplify right side
    20,234,870.40x = 309,057,943,805,628.12
  5. Step 5: Solve for x
    x = 309,057,943,805,628.12/20,234,870.40
  6. Step 6: Final answer
    x = 15,273,532.16

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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.