Home / 18,142,013.91-25,035,980.55-9,993,251.91

Finding the Fourth Proportional to 18,142,013.91, 25,035,980.55 and 9,993,251.91

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Solution

The fourth proportional to 18,142,013.91, 25,035,980.55 and 9,993,251.91 is: 13,790,688.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,142,013.91 : 25,035,980.55 = 9,993,251.91 : x
  2. Step 2: Convert to fraction form
    18,142,013.91/25,035,980.55 = 9,993,251.91/x
  3. Step 3: Cross multiply
    18,142,013.91x = 25,035,980.55 × 9,993,251.91
  4. Step 4: Simplify right side
    18,142,013.91x = 250,190,860,450,010.38
  5. Step 5: Solve for x
    x = 250,190,860,450,010.38/18,142,013.91
  6. Step 6: Final answer
    x = 13,790,688.38

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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.