Home / 31,750,579.60-43,834,583.04-19,999,920.88

Finding the Fourth Proportional to 31,750,579.60, 43,834,583.04 and 19,999,920.88

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Solution

The fourth proportional to 31,750,579.60, 43,834,583.04 and 19,999,920.88 is: 27,611,722.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,750,579.60 : 43,834,583.04 = 19,999,920.88 : x
  2. Step 2: Convert to fraction form
    31,750,579.60/43,834,583.04 = 19,999,920.88/x
  3. Step 3: Cross multiply
    31,750,579.60x = 43,834,583.04 × 19,999,920.88
  4. Step 4: Simplify right side
    31,750,579.60x = 876,688,192,607,789.75
  5. Step 5: Solve for x
    x = 876,688,192,607,789.75/31,750,579.60
  6. Step 6: Final answer
    x = 27,611,722.48

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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.