Home / 20,377,893.47-28,161,841.18-16,701,010.66

Finding the Fourth Proportional to 20,377,893.47, 28,161,841.18 and 16,701,010.66

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Solution

The fourth proportional to 20,377,893.47, 28,161,841.18 and 16,701,010.66 is: 23,080,462.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,377,893.47 : 28,161,841.18 = 16,701,010.66 : x
  2. Step 2: Convert to fraction form
    20,377,893.47/28,161,841.18 = 16,701,010.66/x
  3. Step 3: Cross multiply
    20,377,893.47x = 28,161,841.18 × 16,701,010.66
  4. Step 4: Simplify right side
    20,377,893.47x = 470,331,209,640,249.81
  5. Step 5: Solve for x
    x = 470,331,209,640,249.81/20,377,893.47
  6. Step 6: Final answer
    x = 23,080,462.67

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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.