Home / 28,242,790.20-42,371,402.40-9,073,735.20

Finding the Fourth Proportional to 28,242,790.20, 42,371,402.40 and 9,073,735.20

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Solution

The fourth proportional to 28,242,790.20, 42,371,402.40 and 9,073,735.20 is: 13,612,921.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,242,790.20 : 42,371,402.40 = 9,073,735.20 : x
  2. Step 2: Convert to fraction form
    28,242,790.20/42,371,402.40 = 9,073,735.20/x
  3. Step 3: Cross multiply
    28,242,790.20x = 42,371,402.40 × 9,073,735.20
  4. Step 4: Simplify right side
    28,242,790.20x = 384,466,885,430,244.44
  5. Step 5: Solve for x
    x = 384,466,885,430,244.44/28,242,790.20
  6. Step 6: Final answer
    x = 13,612,921.48

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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.