Home / 20,045,701.74-27,663,067.50-10,878,344.49

Finding the Fourth Proportional to 20,045,701.74, 27,663,067.50 and 10,878,344.49

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Solution

The fourth proportional to 20,045,701.74, 27,663,067.50 and 10,878,344.49 is: 15,012,114.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,045,701.74 : 27,663,067.50 = 10,878,344.49 : x
  2. Step 2: Convert to fraction form
    20,045,701.74/27,663,067.50 = 10,878,344.49/x
  3. Step 3: Cross multiply
    20,045,701.74x = 27,663,067.50 × 10,878,344.49
  4. Step 4: Simplify right side
    20,045,701.74x = 300,928,377,915,123.06
  5. Step 5: Solve for x
    x = 300,928,377,915,123.06/20,045,701.74
  6. Step 6: Final answer
    x = 15,012,114.91

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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.