Home / 47,949,925.81-71,913,893.07-13,408,754.97

Finding the Fourth Proportional to 47,949,925.81, 71,913,893.07 and 13,408,754.97

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Solution

The fourth proportional to 47,949,925.81, 71,913,893.07 and 13,408,754.97 is: 20,110,057.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,949,925.81 : 71,913,893.07 = 13,408,754.97 : x
  2. Step 2: Convert to fraction form
    47,949,925.81/71,913,893.07 = 13,408,754.97/x
  3. Step 3: Cross multiply
    47,949,925.81x = 71,913,893.07 × 13,408,754.97
  4. Step 4: Simplify right side
    47,949,925.81x = 964,275,771,114,411
  5. Step 5: Solve for x
    x = 964,275,771,114,411/47,949,925.81
  6. Step 6: Final answer
    x = 20,110,057.62

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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.