Home / 27,721,557.20-38,253,806.88-16,118,297.52

Finding the Fourth Proportional to 27,721,557.20, 38,253,806.88 and 16,118,297.52

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Solution

The fourth proportional to 27,721,557.20, 38,253,806.88 and 16,118,297.52 is: 22,242,121.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,721,557.20 : 38,253,806.88 = 16,118,297.52 : x
  2. Step 2: Convert to fraction form
    27,721,557.20/38,253,806.88 = 16,118,297.52/x
  3. Step 3: Cross multiply
    27,721,557.20x = 38,253,806.88 × 16,118,297.52
  4. Step 4: Simplify right side
    27,721,557.20x = 616,586,240,564,463
  5. Step 5: Solve for x
    x = 616,586,240,564,463/27,721,557.20
  6. Step 6: Final answer
    x = 22,242,121.40

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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.