Home / 31,711,871.43-43,766,012.88-17,776,990.17

Finding the Fourth Proportional to 31,711,871.43, 43,766,012.88 and 17,776,990.17

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Solution

The fourth proportional to 31,711,871.43, 43,766,012.88 and 17,776,990.17 is: 24,534,281.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,711,871.43 : 43,766,012.88 = 17,776,990.17 : x
  2. Step 2: Convert to fraction form
    31,711,871.43/43,766,012.88 = 17,776,990.17/x
  3. Step 3: Cross multiply
    31,711,871.43x = 43,766,012.88 × 17,776,990.17
  4. Step 4: Simplify right side
    31,711,871.43x = 778,027,980,747,853.50
  5. Step 5: Solve for x
    x = 778,027,980,747,853.50/31,711,871.43
  6. Step 6: Final answer
    x = 24,534,281.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.