Home / 18,463,638.78-25,480,330.65-10,204,236.45

Finding the Fourth Proportional to 18,463,638.78, 25,480,330.65 and 10,204,236.45

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Solution

The fourth proportional to 18,463,638.78, 25,480,330.65 and 10,204,236.45 is: 14,082,127.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,463,638.78 : 25,480,330.65 = 10,204,236.45 : x
  2. Step 2: Convert to fraction form
    18,463,638.78/25,480,330.65 = 10,204,236.45/x
  3. Step 3: Cross multiply
    18,463,638.78x = 25,480,330.65 × 10,204,236.45
  4. Step 4: Simplify right side
    18,463,638.78x = 260,007,318,776,782.16
  5. Step 5: Solve for x
    x = 260,007,318,776,782.16/18,463,638.78
  6. Step 6: Final answer
    x = 14,082,127.68

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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.