Home / 30,878,677.26-42,612,438.15-17,647,633.44

Finding the Fourth Proportional to 30,878,677.26, 42,612,438.15 and 17,647,633.44

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Solution

The fourth proportional to 30,878,677.26, 42,612,438.15 and 17,647,633.44 is: 24,353,656.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,878,677.26 : 42,612,438.15 = 17,647,633.44 : x
  2. Step 2: Convert to fraction form
    30,878,677.26/42,612,438.15 = 17,647,633.44/x
  3. Step 3: Cross multiply
    30,878,677.26x = 42,612,438.15 × 17,647,633.44
  4. Step 4: Simplify right side
    30,878,677.26x = 752,008,688,455,871.75
  5. Step 5: Solve for x
    x = 752,008,688,455,871.75/30,878,677.26
  6. Step 6: Final answer
    x = 24,353,656.15

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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.