Home / 12,153,421.80-18,231,094.98-4,066,440.12

Finding the Fourth Proportional to 12,153,421.80, 18,231,094.98 and 4,066,440.12

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Solution

The fourth proportional to 12,153,421.80, 18,231,094.98 and 4,066,440.12 is: 6,099,982.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,153,421.80 : 18,231,094.98 = 4,066,440.12 : x
  2. Step 2: Convert to fraction form
    12,153,421.80/18,231,094.98 = 4,066,440.12/x
  3. Step 3: Cross multiply
    12,153,421.80x = 18,231,094.98 × 4,066,440.12
  4. Step 4: Simplify right side
    12,153,421.80x = 74,135,656,058,202.59
  5. Step 5: Solve for x
    x = 74,135,656,058,202.59/12,153,421.80
  6. Step 6: Final answer
    x = 6,099,982.15

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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.