Home / 26,433,837.61-39,658,872.92-12,618,426.03

Finding the Fourth Proportional to 26,433,837.61, 39,658,872.92 and 12,618,426.03

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Solution

The fourth proportional to 26,433,837.61, 39,658,872.92 and 12,618,426.03 is: 18,931,513.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,433,837.61 : 39,658,872.92 = 12,618,426.03 : x
  2. Step 2: Convert to fraction form
    26,433,837.61/39,658,872.92 = 12,618,426.03/x
  3. Step 3: Cross multiply
    26,433,837.61x = 39,658,872.92 × 12,618,426.03
  4. Step 4: Simplify right side
    26,433,837.61x = 500,432,554,374,190.12
  5. Step 5: Solve for x
    x = 500,432,554,374,190.12/26,433,837.61
  6. Step 6: Final answer
    x = 18,931,513.53

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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.