Home / 20,730,986.10-31,096,479.15-20,730,986.10

Finding the Fourth Proportional to 20,730,986.10, 31,096,479.15 and 20,730,986.10

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Solution

The fourth proportional to 20,730,986.10, 31,096,479.15 and 20,730,986.10 is: 31,096,479.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,730,986.10 : 31,096,479.15 = 20,730,986.10 : x
  2. Step 2: Convert to fraction form
    20,730,986.10/31,096,479.15 = 20,730,986.10/x
  3. Step 3: Cross multiply
    20,730,986.10x = 31,096,479.15 × 20,730,986.10
  4. Step 4: Simplify right side
    20,730,986.10x = 644,660,677,017,589.88
  5. Step 5: Solve for x
    x = 644,660,677,017,589.88/20,730,986.10
  6. Step 6: Final answer
    x = 31,096,479.15

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.