Home / 12,264,520.68-18,413,058.78-10,478,878.92

Finding the Fourth Proportional to 12,264,520.68, 18,413,058.78 and 10,478,878.92

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Solution

The fourth proportional to 12,264,520.68, 18,413,058.78 and 10,478,878.92 is: 15,732,226.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,264,520.68 : 18,413,058.78 = 10,478,878.92 : x
  2. Step 2: Convert to fraction form
    12,264,520.68/18,413,058.78 = 10,478,878.92/x
  3. Step 3: Cross multiply
    12,264,520.68x = 18,413,058.78 × 10,478,878.92
  4. Step 4: Simplify right side
    12,264,520.68x = 192,948,213,502,462.94
  5. Step 5: Solve for x
    x = 192,948,213,502,462.94/12,264,520.68
  6. Step 6: Final answer
    x = 15,732,226.19

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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.