Home / 31,344,683.80-47,017,025.70-21,141,016.60

Finding the Fourth Proportional to 31,344,683.80, 47,017,025.70 and 21,141,016.60

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Solution

The fourth proportional to 31,344,683.80, 47,017,025.70 and 21,141,016.60 is: 31,711,524.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,344,683.80 : 47,017,025.70 = 21,141,016.60 : x
  2. Step 2: Convert to fraction form
    31,344,683.80/47,017,025.70 = 21,141,016.60/x
  3. Step 3: Cross multiply
    31,344,683.80x = 47,017,025.70 × 21,141,016.60
  4. Step 4: Simplify right side
    31,344,683.80x = 993,987,720,806,326.75
  5. Step 5: Solve for x
    x = 993,987,720,806,326.75/31,344,683.80
  6. Step 6: Final answer
    x = 31,711,524.90

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1.5x scale

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.