Home / 30,612,352.07-42,245,037.88-16,861,316.20

Finding the Fourth Proportional to 30,612,352.07, 42,245,037.88 and 16,861,316.20

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Solution

The fourth proportional to 30,612,352.07, 42,245,037.88 and 16,861,316.20 is: 23,268,611.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,612,352.07 : 42,245,037.88 = 16,861,316.20 : x
  2. Step 2: Convert to fraction form
    30,612,352.07/42,245,037.88 = 16,861,316.20/x
  3. Step 3: Cross multiply
    30,612,352.07x = 42,245,037.88 × 16,861,316.20
  4. Step 4: Simplify right side
    30,612,352.07x = 712,306,941,427,891.75
  5. Step 5: Solve for x
    x = 712,306,941,427,891.75/30,612,352.07
  6. Step 6: Final answer
    x = 23,268,611.96

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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.