Home / 19,736,151-27,220,808.56-16,987,441.92

Finding the Fourth Proportional to 19,736,151, 27,220,808.56 and 16,987,441.92

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Solution

The fourth proportional to 19,736,151, 27,220,808.56 and 16,987,441.92 is: 23,429,690.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,736,151 : 27,220,808.56 = 16,987,441.92 : x
  2. Step 2: Convert to fraction form
    19,736,151/27,220,808.56 = 16,987,441.92/x
  3. Step 3: Cross multiply
    19,736,151x = 27,220,808.56 × 16,987,441.92
  4. Step 4: Simplify right side
    19,736,151x = 462,411,904,428,438.88
  5. Step 5: Solve for x
    x = 462,411,904,428,438.88/19,736,151
  6. Step 6: Final answer
    x = 23,429,690.24

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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.