Home / 28,432,969.80-42,641,319.04-9,265,401.96

Finding the Fourth Proportional to 28,432,969.80, 42,641,319.04 and 9,265,401.96

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Solution

The fourth proportional to 28,432,969.80, 42,641,319.04 and 9,265,401.96 is: 13,895,451.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,432,969.80 : 42,641,319.04 = 9,265,401.96 : x
  2. Step 2: Convert to fraction form
    28,432,969.80/42,641,319.04 = 9,265,401.96/x
  3. Step 3: Cross multiply
    28,432,969.80x = 42,641,319.04 × 9,265,401.96
  4. Step 4: Simplify right side
    28,432,969.80x = 395,088,961,010,201.38
  5. Step 5: Solve for x
    x = 395,088,961,010,201.38/28,432,969.80
  6. Step 6: Final answer
    x = 13,895,451.79

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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.