Home / 39,951,307.76-59,928,706.32-12,659,612.32

Finding the Fourth Proportional to 39,951,307.76, 59,928,706.32 and 12,659,612.32

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Solution

The fourth proportional to 39,951,307.76, 59,928,706.32 and 12,659,612.32 is: 18,989,971.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,951,307.76 : 59,928,706.32 = 12,659,612.32 : x
  2. Step 2: Convert to fraction form
    39,951,307.76/59,928,706.32 = 12,659,612.32/x
  3. Step 3: Cross multiply
    39,951,307.76x = 59,928,706.32 × 12,659,612.32
  4. Step 4: Simplify right side
    39,951,307.76x = 758,674,188,850,333.88
  5. Step 5: Solve for x
    x = 758,674,188,850,333.88/39,951,307.76
  6. Step 6: Final answer
    x = 18,989,971.33

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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.