Home / 7,150,636.86-9,868,069.79-3,887,671.33

Finding the Fourth Proportional to 7,150,636.86, 9,868,069.79 and 3,887,671.33

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Solution

The fourth proportional to 7,150,636.86, 9,868,069.79 and 3,887,671.33 is: 5,365,090.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,150,636.86 : 9,868,069.79 = 3,887,671.33 : x
  2. Step 2: Convert to fraction form
    7,150,636.86/9,868,069.79 = 3,887,671.33/x
  3. Step 3: Cross multiply
    7,150,636.86x = 9,868,069.79 × 3,887,671.33
  4. Step 4: Simplify right side
    7,150,636.86x = 38,363,812,005,022.12
  5. Step 5: Solve for x
    x = 38,363,812,005,022.12/7,150,636.86
  6. Step 6: Final answer
    x = 5,365,090.24

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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.