Home / 12,936,565.40-19,407,612.90-3,962,024.60

Finding the Fourth Proportional to 12,936,565.40, 19,407,612.90 and 3,962,024.60

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Solution

The fourth proportional to 12,936,565.40, 19,407,612.90 and 3,962,024.60 is: 5,943,883.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,936,565.40 : 19,407,612.90 = 3,962,024.60 : x
  2. Step 2: Convert to fraction form
    12,936,565.40/19,407,612.90 = 3,962,024.60/x
  3. Step 3: Cross multiply
    12,936,565.40x = 19,407,612.90 × 3,962,024.60
  4. Step 4: Simplify right side
    12,936,565.40x = 76,893,439,737,077.33
  5. Step 5: Solve for x
    x = 76,893,439,737,077.33/12,936,565.40
  6. Step 6: Final answer
    x = 5,943,883.66

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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.