Home / 21,982,486.40-32,973,729.60-11,904,790.40

Finding the Fourth Proportional to 21,982,486.40, 32,973,729.60 and 11,904,790.40

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Solution

The fourth proportional to 21,982,486.40, 32,973,729.60 and 11,904,790.40 is: 17,857,185.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,982,486.40 : 32,973,729.60 = 11,904,790.40 : x
  2. Step 2: Convert to fraction form
    21,982,486.40/32,973,729.60 = 11,904,790.40/x
  3. Step 3: Cross multiply
    21,982,486.40x = 32,973,729.60 × 11,904,790.40
  4. Step 4: Simplify right side
    21,982,486.40x = 392,545,339,594,275.88
  5. Step 5: Solve for x
    x = 392,545,339,594,275.88/21,982,486.40
  6. Step 6: Final answer
    x = 17,857,185.60

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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.