Home / 21,873,306.65-32,802,361.95-12,172,723.16

Finding the Fourth Proportional to 21,873,306.65, 32,802,361.95 and 12,172,723.16

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Solution

The fourth proportional to 21,873,306.65, 32,802,361.95 and 12,172,723.16 is: 18,254,856.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,873,306.65 : 32,802,361.95 = 12,172,723.16 : x
  2. Step 2: Convert to fraction form
    21,873,306.65/32,802,361.95 = 12,172,723.16/x
  3. Step 3: Cross multiply
    21,873,306.65x = 32,802,361.95 × 12,172,723.16
  4. Step 4: Simplify right side
    21,873,306.65x = 399,294,070,847,455.94
  5. Step 5: Solve for x
    x = 399,294,070,847,455.94/21,873,306.65
  6. Step 6: Final answer
    x = 18,254,856.36

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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.