Home / 15,599,379.15-21,532,554.27-10,720,750.77

Finding the Fourth Proportional to 15,599,379.15, 21,532,554.27 and 10,720,750.77

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Solution

The fourth proportional to 15,599,379.15, 21,532,554.27 and 10,720,750.77 is: 14,798,354.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,599,379.15 : 21,532,554.27 = 10,720,750.77 : x
  2. Step 2: Convert to fraction form
    15,599,379.15/21,532,554.27 = 10,720,750.77/x
  3. Step 3: Cross multiply
    15,599,379.15x = 21,532,554.27 × 10,720,750.77
  4. Step 4: Simplify right side
    15,599,379.15x = 230,845,147,770,169.28
  5. Step 5: Solve for x
    x = 230,845,147,770,169.28/15,599,379.15
  6. Step 6: Final answer
    x = 14,798,354.83

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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.