Home / 31,776,151.32-43,849,797.66-18,024,820.20

Finding the Fourth Proportional to 31,776,151.32, 43,849,797.66 and 18,024,820.20

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Solution

The fourth proportional to 31,776,151.32, 43,849,797.66 and 18,024,820.20 is: 24,873,519.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,776,151.32 : 43,849,797.66 = 18,024,820.20 : x
  2. Step 2: Convert to fraction form
    31,776,151.32/43,849,797.66 = 18,024,820.20/x
  3. Step 3: Cross multiply
    31,776,151.32x = 43,849,797.66 × 18,024,820.20
  4. Step 4: Simplify right side
    31,776,151.32x = 790,384,718,627,880.62
  5. Step 5: Solve for x
    x = 790,384,718,627,880.62/31,776,151.32
  6. Step 6: Final answer
    x = 24,873,519.47

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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.