Home / 10,126,321-13,974,454.20-5,542,543.96

Finding the Fourth Proportional to 10,126,321, 13,974,454.20 and 5,542,543.96

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Solution

The fourth proportional to 10,126,321, 13,974,454.20 and 5,542,543.96 is: 7,648,782.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,126,321 : 13,974,454.20 = 5,542,543.96 : x
  2. Step 2: Convert to fraction form
    10,126,321/13,974,454.20 = 5,542,543.96/x
  3. Step 3: Cross multiply
    10,126,321x = 13,974,454.20 × 5,542,543.96
  4. Step 4: Simplify right side
    10,126,321x = 77,454,026,720,506.62
  5. Step 5: Solve for x
    x = 77,454,026,720,506.62/10,126,321
  6. Step 6: Final answer
    x = 7,648,782.49

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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.