Home / 21,726,772.54-32,589,951.45-13,209,460.54

Finding the Fourth Proportional to 21,726,772.54, 32,589,951.45 and 13,209,460.54

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Solution

The fourth proportional to 21,726,772.54, 32,589,951.45 and 13,209,460.54 is: 19,814,064.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,726,772.54 : 32,589,951.45 = 13,209,460.54 : x
  2. Step 2: Convert to fraction form
    21,726,772.54/32,589,951.45 = 13,209,460.54/x
  3. Step 3: Cross multiply
    21,726,772.54x = 32,589,951.45 × 13,209,460.54
  4. Step 4: Simplify right side
    21,726,772.54x = 430,495,677,679,290.75
  5. Step 5: Solve for x
    x = 430,495,677,679,290.75/21,726,772.54
  6. Step 6: Final answer
    x = 19,814,064.74

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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.