Home / 8,791,921.60-13,189,437.60-3,115,441.60

Finding the Fourth Proportional to 8,791,921.60, 13,189,437.60 and 3,115,441.60

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Solution

The fourth proportional to 8,791,921.60, 13,189,437.60 and 3,115,441.60 is: 4,673,713.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,791,921.60 : 13,189,437.60 = 3,115,441.60 : x
  2. Step 2: Convert to fraction form
    8,791,921.60/13,189,437.60 = 3,115,441.60/x
  3. Step 3: Cross multiply
    8,791,921.60x = 13,189,437.60 × 3,115,441.60
  4. Step 4: Simplify right side
    8,791,921.60x = 41,090,922,579,644.16
  5. Step 5: Solve for x
    x = 41,090,922,579,644.16/8,791,921.60
  6. Step 6: Final answer
    x = 4,673,713.49

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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.