Home / 10,126,316.25-13,974,447.65-5,542,539.21

Finding the Fourth Proportional to 10,126,316.25, 13,974,447.65 and 5,542,539.21

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Solution

The fourth proportional to 10,126,316.25, 13,974,447.65 and 5,542,539.21 is: 7,648,775.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,126,316.25 : 13,974,447.65 = 5,542,539.21 : x
  2. Step 2: Convert to fraction form
    10,126,316.25/13,974,447.65 = 5,542,539.21/x
  3. Step 3: Cross multiply
    10,126,316.25x = 13,974,447.65 × 5,542,539.21
  4. Step 4: Simplify right side
    10,126,316.25x = 77,453,924,010,504.66
  5. Step 5: Solve for x
    x = 77,453,924,010,504.66/10,126,316.25
  6. Step 6: Final answer
    x = 7,648,775.93

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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.