Home / 28,018,456.44-38,666,427.96-16,256,836.74

Finding the Fourth Proportional to 28,018,456.44, 38,666,427.96 and 16,256,836.74

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Solution

The fourth proportional to 28,018,456.44, 38,666,427.96 and 16,256,836.74 is: 22,434,990.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,018,456.44 : 38,666,427.96 = 16,256,836.74 : x
  2. Step 2: Convert to fraction form
    28,018,456.44/38,666,427.96 = 16,256,836.74/x
  3. Step 3: Cross multiply
    28,018,456.44x = 38,666,427.96 × 16,256,836.74
  4. Step 4: Simplify right side
    28,018,456.44x = 628,593,806,664,691.25
  5. Step 5: Solve for x
    x = 628,593,806,664,691.25/28,018,456.44
  6. Step 6: Final answer
    x = 22,434,990.59

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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.