Home / 40,055,273.12-60,090,389.40-18,197,186.96

Finding the Fourth Proportional to 40,055,273.12, 60,090,389.40 and 18,197,186.96

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Solution

The fourth proportional to 40,055,273.12, 60,090,389.40 and 18,197,186.96 is: 27,299,178.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,055,273.12 : 60,090,389.40 = 18,197,186.96 : x
  2. Step 2: Convert to fraction form
    40,055,273.12/60,090,389.40 = 18,197,186.96/x
  3. Step 3: Cross multiply
    40,055,273.12x = 60,090,389.40 × 18,197,186.96
  4. Step 4: Simplify right side
    40,055,273.12x = 1,093,476,050,411,002.25
  5. Step 5: Solve for x
    x = 1,093,476,050,411,002.25/40,055,273.12
  6. Step 6: Final answer
    x = 27,299,178.49

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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.