Home / 20,703,297.60-28,570,551.66-12,006,514.71

Finding the Fourth Proportional to 20,703,297.60, 28,570,551.66 and 12,006,514.71

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Solution

The fourth proportional to 20,703,297.60, 28,570,551.66 and 12,006,514.71 is: 16,568,990.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,703,297.60 : 28,570,551.66 = 12,006,514.71 : x
  2. Step 2: Convert to fraction form
    20,703,297.60/28,570,551.66 = 12,006,514.71/x
  3. Step 3: Cross multiply
    20,703,297.60x = 28,570,551.66 × 12,006,514.71
  4. Step 4: Simplify right side
    20,703,297.60x = 343,032,748,778,604.94
  5. Step 5: Solve for x
    x = 343,032,748,778,604.94/20,703,297.60
  6. Step 6: Final answer
    x = 16,568,990.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.