Home / 21,168,111.70-31,752,167.55-17,883,529.30

Finding the Fourth Proportional to 21,168,111.70, 31,752,167.55 and 17,883,529.30

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Solution

The fourth proportional to 21,168,111.70, 31,752,167.55 and 17,883,529.30 is: 26,825,293.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,168,111.70 : 31,752,167.55 = 17,883,529.30 : x
  2. Step 2: Convert to fraction form
    21,168,111.70/31,752,167.55 = 17,883,529.30/x
  3. Step 3: Cross multiply
    21,168,111.70x = 31,752,167.55 × 17,883,529.30
  4. Step 4: Simplify right side
    21,168,111.70x = 567,840,818,718,934.25
  5. Step 5: Solve for x
    x = 567,840,818,718,934.25/21,168,111.70
  6. Step 6: Final answer
    x = 26,825,293.95

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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.