Home / 10,659,393.60-15,989,090.40-2,681,217.60

Finding the Fourth Proportional to 10,659,393.60, 15,989,090.40 and 2,681,217.60

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Solution

The fourth proportional to 10,659,393.60, 15,989,090.40 and 2,681,217.60 is: 4,021,826.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,659,393.60 : 15,989,090.40 = 2,681,217.60 : x
  2. Step 2: Convert to fraction form
    10,659,393.60/15,989,090.40 = 2,681,217.60/x
  3. Step 3: Cross multiply
    10,659,393.60x = 15,989,090.40 × 2,681,217.60
  4. Step 4: Simplify right side
    10,659,393.60x = 42,870,230,588,471.04
  5. Step 5: Solve for x
    x = 42,870,230,588,471.04/10,659,393.60
  6. Step 6: Final answer
    x = 4,021,826.40

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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.