Home / 18,929,370.48-28,398,845.88-5,282,514.96

Finding the Fourth Proportional to 18,929,370.48, 28,398,845.88 and 5,282,514.96

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Solution

The fourth proportional to 18,929,370.48, 28,398,845.88 and 5,282,514.96 is: 7,925,109.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,929,370.48 : 28,398,845.88 = 5,282,514.96 : x
  2. Step 2: Convert to fraction form
    18,929,370.48/28,398,845.88 = 5,282,514.96/x
  3. Step 3: Cross multiply
    18,929,370.48x = 28,398,845.88 × 5,282,514.96
  4. Step 4: Simplify right side
    18,929,370.48x = 150,017,328,207,834.34
  5. Step 5: Solve for x
    x = 150,017,328,207,834.34/18,929,370.48
  6. Step 6: Final answer
    x = 7,925,109.20

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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.