Home / 18,722,147.80-28,083,221.70-4,538,723.80

Finding the Fourth Proportional to 18,722,147.80, 28,083,221.70 and 4,538,723.80

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Solution

The fourth proportional to 18,722,147.80, 28,083,221.70 and 4,538,723.80 is: 6,808,085.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,722,147.80 : 28,083,221.70 = 4,538,723.80 : x
  2. Step 2: Convert to fraction form
    18,722,147.80/28,083,221.70 = 4,538,723.80/x
  3. Step 3: Cross multiply
    18,722,147.80x = 28,083,221.70 × 4,538,723.80
  4. Step 4: Simplify right side
    18,722,147.80x = 127,461,986,710,466.45
  5. Step 5: Solve for x
    x = 127,461,986,710,466.45/18,722,147.80
  6. Step 6: Final answer
    x = 6,808,085.70

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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.