Home / 20,085,189.98-30,102,569.12-10,862,795.12

Finding the Fourth Proportional to 20,085,189.98, 30,102,569.12 and 10,862,795.12

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Solution

The fourth proportional to 20,085,189.98, 30,102,569.12 and 10,862,795.12 is: 16,280,555.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,085,189.98 : 30,102,569.12 = 10,862,795.12 : x
  2. Step 2: Convert to fraction form
    20,085,189.98/30,102,569.12 = 10,862,795.12/x
  3. Step 3: Cross multiply
    20,085,189.98x = 30,102,569.12 × 10,862,795.12
  4. Step 4: Simplify right side
    20,085,189.98x = 326,998,040,812,842.81
  5. Step 5: Solve for x
    x = 326,998,040,812,842.81/20,085,189.98
  6. Step 6: Final answer
    x = 16,280,555.04

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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.