Home / 21,845,979.30-32,789,964.15-11,075,441.70

Finding the Fourth Proportional to 21,845,979.30, 32,789,964.15 and 11,075,441.70

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Solution

The fourth proportional to 21,845,979.30, 32,789,964.15 and 11,075,441.70 is: 16,623,806.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,845,979.30 : 32,789,964.15 = 11,075,441.70 : x
  2. Step 2: Convert to fraction form
    21,845,979.30/32,789,964.15 = 11,075,441.70/x
  3. Step 3: Cross multiply
    21,845,979.30x = 32,789,964.15 × 11,075,441.70
  4. Step 4: Simplify right side
    21,845,979.30x = 363,163,336,288,415
  5. Step 5: Solve for x
    x = 363,163,336,288,415/21,845,979.30
  6. Step 6: Final answer
    x = 16,623,806.66

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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.