Home / 28,392,365.70-42,588,548.55-17,642,823.30

Finding the Fourth Proportional to 28,392,365.70, 42,588,548.55 and 17,642,823.30

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Solution

The fourth proportional to 28,392,365.70, 42,588,548.55 and 17,642,823.30 is: 26,464,234.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,392,365.70 : 42,588,548.55 = 17,642,823.30 : x
  2. Step 2: Convert to fraction form
    28,392,365.70/42,588,548.55 = 17,642,823.30/x
  3. Step 3: Cross multiply
    28,392,365.70x = 42,588,548.55 × 17,642,823.30
  4. Step 4: Simplify right side
    28,392,365.70x = 751,382,236,671,121.25
  5. Step 5: Solve for x
    x = 751,382,236,671,121.25/28,392,365.70
  6. Step 6: Final answer
    x = 26,464,234.95

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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.