Home / 13,793,122.30-20,689,683.45-12,278,515.45

Finding the Fourth Proportional to 13,793,122.30, 20,689,683.45 and 12,278,515.45

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Solution

The fourth proportional to 13,793,122.30, 20,689,683.45 and 12,278,515.45 is: 18,417,773.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,793,122.30 : 20,689,683.45 = 12,278,515.45 : x
  2. Step 2: Convert to fraction form
    13,793,122.30/20,689,683.45 = 12,278,515.45/x
  3. Step 3: Cross multiply
    13,793,122.30x = 20,689,683.45 × 12,278,515.45
  4. Step 4: Simplify right side
    13,793,122.30x = 254,038,597,896,434.28
  5. Step 5: Solve for x
    x = 254,038,597,896,434.28/13,793,122.30
  6. Step 6: Final answer
    x = 18,417,773.18

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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.