Home / 18,264,436.49-25,197,906.68-10,424,383.89

Finding the Fourth Proportional to 18,264,436.49, 25,197,906.68 and 10,424,383.89

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Solution

The fourth proportional to 18,264,436.49, 25,197,906.68 and 10,424,383.89 is: 14,381,645.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,264,436.49 : 25,197,906.68 = 10,424,383.89 : x
  2. Step 2: Convert to fraction form
    18,264,436.49/25,197,906.68 = 10,424,383.89/x
  3. Step 3: Cross multiply
    18,264,436.49x = 25,197,906.68 × 10,424,383.89
  4. Step 4: Simplify right side
    18,264,436.49x = 262,672,652,349,192.78
  5. Step 5: Solve for x
    x = 262,672,652,349,192.78/18,264,436.49
  6. Step 6: Final answer
    x = 14,381,645.58

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1.5x scale

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.