Home / 18,763,948.17-28,164,078.08-9,055,395.57

Finding the Fourth Proportional to 18,763,948.17, 28,164,078.08 and 9,055,395.57

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Solution

The fourth proportional to 18,763,948.17, 28,164,078.08 and 9,055,395.57 is: 13,591,855.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,763,948.17 : 28,164,078.08 = 9,055,395.57 : x
  2. Step 2: Convert to fraction form
    18,763,948.17/28,164,078.08 = 9,055,395.57/x
  3. Step 3: Cross multiply
    18,763,948.17x = 28,164,078.08 × 9,055,395.57
  4. Step 4: Simplify right side
    18,763,948.17x = 255,036,867,833,489.12
  5. Step 5: Solve for x
    x = 255,036,867,833,489.12/18,763,948.17
  6. Step 6: Final answer
    x = 13,591,855.27

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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.