Home / 13,532,085.45-18,673,123.19-7,651,431.45

Finding the Fourth Proportional to 13,532,085.45, 18,673,123.19 and 7,651,431.45

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Solution

The fourth proportional to 13,532,085.45, 18,673,123.19 and 7,651,431.45 is: 10,558,322.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,532,085.45 : 18,673,123.19 = 7,651,431.45 : x
  2. Step 2: Convert to fraction form
    13,532,085.45/18,673,123.19 = 7,651,431.45/x
  3. Step 3: Cross multiply
    13,532,085.45x = 18,673,123.19 × 7,651,431.45
  4. Step 4: Simplify right side
    13,532,085.45x = 142,876,122,007,433.16
  5. Step 5: Solve for x
    x = 142,876,122,007,433.16/13,532,085.45
  6. Step 6: Final answer
    x = 10,558,322.48

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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.