Home / 13,376,805.60-18,458,864.82-7,416,371.88

Finding the Fourth Proportional to 13,376,805.60, 18,458,864.82 and 7,416,371.88

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Solution

The fourth proportional to 13,376,805.60, 18,458,864.82 and 7,416,371.88 is: 10,233,968.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,376,805.60 : 18,458,864.82 = 7,416,371.88 : x
  2. Step 2: Convert to fraction form
    13,376,805.60/18,458,864.82 = 7,416,371.88/x
  3. Step 3: Cross multiply
    13,376,805.60x = 18,458,864.82 × 7,416,371.88
  4. Step 4: Simplify right side
    13,376,805.60x = 136,897,805,987,769.27
  5. Step 5: Solve for x
    x = 136,897,805,987,769.27/13,376,805.60
  6. Step 6: Final answer
    x = 10,233,968.41

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1.5x scale

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.