Home / 28,252,977.60-42,385,371.30-9,085,672.20

Finding the Fourth Proportional to 28,252,977.60, 42,385,371.30 and 9,085,672.20

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Solution

The fourth proportional to 28,252,977.60, 42,385,371.30 and 9,085,672.20 is: 13,630,407.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,252,977.60 : 42,385,371.30 = 9,085,672.20 : x
  2. Step 2: Convert to fraction form
    28,252,977.60/42,385,371.30 = 9,085,672.20/x
  3. Step 3: Cross multiply
    28,252,977.60x = 42,385,371.30 × 9,085,672.20
  4. Step 4: Simplify right side
    28,252,977.60x = 385,099,589,707,087.81
  5. Step 5: Solve for x
    x = 385,099,589,707,087.81/28,252,977.60
  6. Step 6: Final answer
    x = 13,630,407.21

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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.