Home / 56,376,881.28-84,577,919.04-18,040,695.84

Finding the Fourth Proportional to 56,376,881.28, 84,577,919.04 and 18,040,695.84

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Solution

The fourth proportional to 56,376,881.28, 84,577,919.04 and 18,040,695.84 is: 27,065,074.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,376,881.28 : 84,577,919.04 = 18,040,695.84 : x
  2. Step 2: Convert to fraction form
    56,376,881.28/84,577,919.04 = 18,040,695.84/x
  3. Step 3: Cross multiply
    56,376,881.28x = 84,577,919.04 × 18,040,695.84
  4. Step 4: Simplify right side
    56,376,881.28x = 1,525,844,512,180,785
  5. Step 5: Solve for x
    x = 1,525,844,512,180,785/56,376,881.28
  6. Step 6: Final answer
    x = 27,065,074.86

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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.