Home / 7,255,813.60-10,887,219.60-5,121,301.60

Finding the Fourth Proportional to 7,255,813.60, 10,887,219.60 and 5,121,301.60

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Solution

The fourth proportional to 7,255,813.60, 10,887,219.60 and 5,121,301.60 is: 7,684,422.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,255,813.60 : 10,887,219.60 = 5,121,301.60 : x
  2. Step 2: Convert to fraction form
    7,255,813.60/10,887,219.60 = 5,121,301.60/x
  3. Step 3: Cross multiply
    7,255,813.60x = 10,887,219.60 × 5,121,301.60
  4. Step 4: Simplify right side
    7,255,813.60x = 55,756,735,157,031.35
  5. Step 5: Solve for x
    x = 55,756,735,157,031.35/7,255,813.60
  6. Step 6: Final answer
    x = 7,684,422.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.