Home / 40,260,389.57-55,560,073.40-22,380,288.72

Finding the Fourth Proportional to 40,260,389.57, 55,560,073.40 and 22,380,288.72

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Solution

The fourth proportional to 40,260,389.57, 55,560,073.40 and 22,380,288.72 is: 30,885,207.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,260,389.57 : 55,560,073.40 = 22,380,288.72 : x
  2. Step 2: Convert to fraction form
    40,260,389.57/55,560,073.40 = 22,380,288.72/x
  3. Step 3: Cross multiply
    40,260,389.57x = 55,560,073.40 × 22,380,288.72
  4. Step 4: Simplify right side
    40,260,389.57x = 1,243,450,483,996,392
  5. Step 5: Solve for x
    x = 1,243,450,483,996,392/40,260,389.57
  6. Step 6: Final answer
    x = 30,885,207.45

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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.