Home / 12,298,812.60-18,448,218.90-5,475,372.60

Finding the Fourth Proportional to 12,298,812.60, 18,448,218.90 and 5,475,372.60

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Solution

The fourth proportional to 12,298,812.60, 18,448,218.90 and 5,475,372.60 is: 8,213,058.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,298,812.60 : 18,448,218.90 = 5,475,372.60 : x
  2. Step 2: Convert to fraction form
    12,298,812.60/18,448,218.90 = 5,475,372.60/x
  3. Step 3: Cross multiply
    12,298,812.60x = 18,448,218.90 × 5,475,372.60
  4. Step 4: Simplify right side
    12,298,812.60x = 101,010,872,283,862.12
  5. Step 5: Solve for x
    x = 101,010,872,283,862.12/12,298,812.60
  6. Step 6: Final answer
    x = 8,213,058.90

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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.