Home / 31,890,778.41-47,843,770.33-10,325,386.51

Finding the Fourth Proportional to 31,890,778.41, 47,843,770.33 and 10,325,386.51

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Solution

The fourth proportional to 31,890,778.41, 47,843,770.33 and 10,325,386.51 is: 15,490,541.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,890,778.41 : 47,843,770.33 = 10,325,386.51 : x
  2. Step 2: Convert to fraction form
    31,890,778.41/47,843,770.33 = 10,325,386.51/x
  3. Step 3: Cross multiply
    31,890,778.41x = 47,843,770.33 × 10,325,386.51
  4. Step 4: Simplify right side
    31,890,778.41x = 494,005,420,646,217.56
  5. Step 5: Solve for x
    x = 494,005,420,646,217.56/31,890,778.41
  6. Step 6: Final answer
    x = 15,490,541.32

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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.