Home / 18,488,920.34-25,515,250.70-10,116,792.74

Finding the Fourth Proportional to 18,488,920.34, 25,515,250.70 and 10,116,792.74

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Solution

The fourth proportional to 18,488,920.34, 25,515,250.70 and 10,116,792.74 is: 13,961,469.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,488,920.34 : 25,515,250.70 = 10,116,792.74 : x
  2. Step 2: Convert to fraction form
    18,488,920.34/25,515,250.70 = 10,116,792.74/x
  3. Step 3: Cross multiply
    18,488,920.34x = 25,515,250.70 × 10,116,792.74
  4. Step 4: Simplify right side
    18,488,920.34x = 258,132,503,041,039.91
  5. Step 5: Solve for x
    x = 258,132,503,041,039.91/18,488,920.34
  6. Step 6: Final answer
    x = 13,961,469.80

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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.