Home / 25,460,329.86-38,163,755.16-12,488,519.25

Finding the Fourth Proportional to 25,460,329.86, 38,163,755.16 and 12,488,519.25

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Solution

The fourth proportional to 25,460,329.86, 38,163,755.16 and 12,488,519.25 is: 18,719,662.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,460,329.86 : 38,163,755.16 = 12,488,519.25 : x
  2. Step 2: Convert to fraction form
    25,460,329.86/38,163,755.16 = 12,488,519.25/x
  3. Step 3: Cross multiply
    25,460,329.86x = 38,163,755.16 × 12,488,519.25
  4. Step 4: Simplify right side
    25,460,329.86x = 476,608,790,967,946.81
  5. Step 5: Solve for x
    x = 476,608,790,967,946.81/25,460,329.86
  6. Step 6: Final answer
    x = 18,719,662.85

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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.