Home / 18,777,554.35-28,132,280.46-18,368,946.81

Finding the Fourth Proportional to 18,777,554.35, 28,132,280.46 and 18,368,946.81

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Solution

The fourth proportional to 18,777,554.35, 28,132,280.46 and 18,368,946.81 is: 27,520,110.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,777,554.35 : 28,132,280.46 = 18,368,946.81 : x
  2. Step 2: Convert to fraction form
    18,777,554.35/28,132,280.46 = 18,368,946.81/x
  3. Step 3: Cross multiply
    18,777,554.35x = 28,132,280.46 × 18,368,946.81
  4. Step 4: Simplify right side
    18,777,554.35x = 516,760,363,413,742.31
  5. Step 5: Solve for x
    x = 516,760,363,413,742.31/18,777,554.35
  6. Step 6: Final answer
    x = 27,520,110.12

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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.