Home / 21,904,790.84-32,789,924.76-13,779,723.32

Finding the Fourth Proportional to 21,904,790.84, 32,789,924.76 and 13,779,723.32

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Solution

The fourth proportional to 21,904,790.84, 32,789,924.76 and 13,779,723.32 is: 20,627,272.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,904,790.84 : 32,789,924.76 = 13,779,723.32 : x
  2. Step 2: Convert to fraction form
    21,904,790.84/32,789,924.76 = 13,779,723.32/x
  3. Step 3: Cross multiply
    21,904,790.84x = 32,789,924.76 × 13,779,723.32
  4. Step 4: Simplify right side
    21,904,790.84x = 451,836,090,876,417.44
  5. Step 5: Solve for x
    x = 451,836,090,876,417.44/21,904,790.84
  6. Step 6: Final answer
    x = 20,627,272.55

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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.