Home / 18,703,522.80-28,055,284.20-5,238,601.20

Finding the Fourth Proportional to 18,703,522.80, 28,055,284.20 and 5,238,601.20

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Solution

The fourth proportional to 18,703,522.80, 28,055,284.20 and 5,238,601.20 is: 7,857,901.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,703,522.80 : 28,055,284.20 = 5,238,601.20 : x
  2. Step 2: Convert to fraction form
    18,703,522.80/28,055,284.20 = 5,238,601.20/x
  3. Step 3: Cross multiply
    18,703,522.80x = 28,055,284.20 × 5,238,601.20
  4. Step 4: Simplify right side
    18,703,522.80x = 146,970,445,476,461.03
  5. Step 5: Solve for x
    x = 146,970,445,476,461.03/18,703,522.80
  6. Step 6: Final answer
    x = 7,857,901.80

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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.