Home / 30,715,361.13-42,386,919.28-16,776,713.32

Finding the Fourth Proportional to 30,715,361.13, 42,386,919.28 and 16,776,713.32

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Solution

The fourth proportional to 30,715,361.13, 42,386,919.28 and 16,776,713.32 is: 23,151,711.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,715,361.13 : 42,386,919.28 = 16,776,713.32 : x
  2. Step 2: Convert to fraction form
    30,715,361.13/42,386,919.28 = 16,776,713.32/x
  3. Step 3: Cross multiply
    30,715,361.13x = 42,386,919.28 × 16,776,713.32
  4. Step 4: Simplify right side
    30,715,361.13x = 711,113,193,278,540.88
  5. Step 5: Solve for x
    x = 711,113,193,278,540.88/30,715,361.13
  6. Step 6: Final answer
    x = 23,151,711.95

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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.