Home / 20,306,888.20-30,510,098.70-15,268,040.20

Finding the Fourth Proportional to 20,306,888.20, 30,510,098.70 and 15,268,040.20

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Solution

The fourth proportional to 20,306,888.20, 30,510,098.70 and 15,268,040.20 is: 22,939,477.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,306,888.20 : 30,510,098.70 = 15,268,040.20 : x
  2. Step 2: Convert to fraction form
    20,306,888.20/30,510,098.70 = 15,268,040.20/x
  3. Step 3: Cross multiply
    20,306,888.20x = 30,510,098.70 × 15,268,040.20
  4. Step 4: Simplify right side
    20,306,888.20x = 465,829,413,457,567.69
  5. Step 5: Solve for x
    x = 465,829,413,457,567.69/20,306,888.20
  6. Step 6: Final answer
    x = 22,939,477.92

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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.