Home / 13,532,085.20-18,673,122.84-7,651,431.20

Finding the Fourth Proportional to 13,532,085.20, 18,673,122.84 and 7,651,431.20

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Solution

The fourth proportional to 13,532,085.20, 18,673,122.84 and 7,651,431.20 is: 10,558,322.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,532,085.20 : 18,673,122.84 = 7,651,431.20 : x
  2. Step 2: Convert to fraction form
    13,532,085.20/18,673,122.84 = 7,651,431.20/x
  3. Step 3: Cross multiply
    13,532,085.20x = 18,673,122.84 × 7,651,431.20
  4. Step 4: Simplify right side
    13,532,085.20x = 142,876,114,699,408.62
  5. Step 5: Solve for x
    x = 142,876,114,699,408.62/13,532,085.20
  6. Step 6: Final answer
    x = 10,558,322.13

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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.