Home / 7,128,591.60-10,692,887.40-2,336,437.20

Finding the Fourth Proportional to 7,128,591.60, 10,692,887.40 and 2,336,437.20

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Solution

The fourth proportional to 7,128,591.60, 10,692,887.40 and 2,336,437.20 is: 3,504,655.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,128,591.60 : 10,692,887.40 = 2,336,437.20 : x
  2. Step 2: Convert to fraction form
    7,128,591.60/10,692,887.40 = 2,336,437.20/x
  3. Step 3: Cross multiply
    7,128,591.60x = 10,692,887.40 × 2,336,437.20
  4. Step 4: Simplify right side
    7,128,591.60x = 24,983,259,896,771.28
  5. Step 5: Solve for x
    x = 24,983,259,896,771.28/7,128,591.60
  6. Step 6: Final answer
    x = 3,504,655.80

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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.