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Finding the Fourth Proportional to 40,562,111.02, 55,978,459.54 and 22,914,892.96

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Solution

The fourth proportional to 40,562,111.02, 55,978,459.54 and 22,914,892.96 is: 31,624,103.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,562,111.02 : 55,978,459.54 = 22,914,892.96 : x
  2. Step 2: Convert to fraction form
    40,562,111.02/55,978,459.54 = 22,914,892.96/x
  3. Step 3: Cross multiply
    40,562,111.02x = 55,978,459.54 × 22,914,892.96
  4. Step 4: Simplify right side
    40,562,111.02x = 1,282,740,408,030,324
  5. Step 5: Solve for x
    x = 1,282,740,408,030,324/40,562,111.02
  6. Step 6: Final answer
    x = 31,624,103.77

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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.