Home / 21,816,422.80-30,106,754.40-12,026,651.92

Finding the Fourth Proportional to 21,816,422.80, 30,106,754.40 and 12,026,651.92

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Solution

The fourth proportional to 21,816,422.80, 30,106,754.40 and 12,026,651.92 is: 16,596,829.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,816,422.80 : 30,106,754.40 = 12,026,651.92 : x
  2. Step 2: Convert to fraction form
    21,816,422.80/30,106,754.40 = 12,026,651.92/x
  3. Step 3: Cross multiply
    21,816,422.80x = 30,106,754.40 × 12,026,651.92
  4. Step 4: Simplify right side
    21,816,422.80x = 362,083,455,609,728.44
  5. Step 5: Solve for x
    x = 362,083,455,609,728.44/21,816,422.80
  6. Step 6: Final answer
    x = 16,596,829.78

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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.