Home / 12,277,780.04-18,418,350.78-4,188,583.80

Finding the Fourth Proportional to 12,277,780.04, 18,418,350.78 and 4,188,583.80

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Solution

The fourth proportional to 12,277,780.04, 18,418,350.78 and 4,188,583.80 is: 6,283,449.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,277,780.04 : 18,418,350.78 = 4,188,583.80 : x
  2. Step 2: Convert to fraction form
    12,277,780.04/18,418,350.78 = 4,188,583.80/x
  3. Step 3: Cross multiply
    12,277,780.04x = 18,418,350.78 × 4,188,583.80
  4. Step 4: Simplify right side
    12,277,780.04x = 77,146,805,699,825.36
  5. Step 5: Solve for x
    x = 77,146,805,699,825.36/12,277,780.04
  6. Step 6: Final answer
    x = 6,283,449.08

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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.