Home / 50,278,680.99-75,404,258.10-13,878,369.63

Finding the Fourth Proportional to 50,278,680.99, 75,404,258.10 and 13,878,369.63

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Solution

The fourth proportional to 50,278,680.99, 75,404,258.10 and 13,878,369.63 is: 20,813,755.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,278,680.99 : 75,404,258.10 = 13,878,369.63 : x
  2. Step 2: Convert to fraction form
    50,278,680.99/75,404,258.10 = 13,878,369.63/x
  3. Step 3: Cross multiply
    50,278,680.99x = 75,404,258.10 × 13,878,369.63
  4. Step 4: Simplify right side
    50,278,680.99x = 1,046,488,165,587,721.50
  5. Step 5: Solve for x
    x = 1,046,488,165,587,721.50/50,278,680.99
  6. Step 6: Final answer
    x = 20,813,755.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.