Home / 10,144,081.90-13,990,670.48-8,917,765.39

Finding the Fourth Proportional to 10,144,081.90, 13,990,670.48 and 8,917,765.39

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Solution

The fourth proportional to 10,144,081.90, 13,990,670.48 and 8,917,765.39 is: 12,299,340.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,144,081.90 : 13,990,670.48 = 8,917,765.39 : x
  2. Step 2: Convert to fraction form
    10,144,081.90/13,990,670.48 = 8,917,765.39/x
  3. Step 3: Cross multiply
    10,144,081.90x = 13,990,670.48 × 8,917,765.39
  4. Step 4: Simplify right side
    10,144,081.90x = 124,765,516,874,896.50
  5. Step 5: Solve for x
    x = 124,765,516,874,896.50/10,144,081.90
  6. Step 6: Final answer
    x = 12,299,340.46

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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.