Home / 40,220,892.79-60,349,893.83-18,367,971.21

Finding the Fourth Proportional to 40,220,892.79, 60,349,893.83 and 18,367,971.21

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Solution

The fourth proportional to 40,220,892.79, 60,349,893.83 and 18,367,971.21 is: 27,560,430.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,220,892.79 : 60,349,893.83 = 18,367,971.21 : x
  2. Step 2: Convert to fraction form
    40,220,892.79/60,349,893.83 = 18,367,971.21/x
  3. Step 3: Cross multiply
    40,220,892.79x = 60,349,893.83 × 18,367,971.21
  4. Step 4: Simplify right side
    40,220,892.79x = 1,108,505,112,291,041.88
  5. Step 5: Solve for x
    x = 1,108,505,112,291,041.88/40,220,892.79
  6. Step 6: Final answer
    x = 27,560,430.30

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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.