Home / 13,235,905.56-18,262,716.33-7,726,780.29

Finding the Fourth Proportional to 13,235,905.56, 18,262,716.33 and 7,726,780.29

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Solution

The fourth proportional to 13,235,905.56, 18,262,716.33 and 7,726,780.29 is: 10,661,302.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,235,905.56 : 18,262,716.33 = 7,726,780.29 : x
  2. Step 2: Convert to fraction form
    13,235,905.56/18,262,716.33 = 7,726,780.29/x
  3. Step 3: Cross multiply
    13,235,905.56x = 18,262,716.33 × 7,726,780.29
  4. Step 4: Simplify right side
    13,235,905.56x = 141,111,996,580,505.12
  5. Step 5: Solve for x
    x = 141,111,996,580,505.12/13,235,905.56
  6. Step 6: Final answer
    x = 10,661,302.77

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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.