Home / 12,259,387.89-18,389,104.91-11,510,274.06

Finding the Fourth Proportional to 12,259,387.89, 18,389,104.91 and 11,510,274.06

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Solution

The fourth proportional to 12,259,387.89, 18,389,104.91 and 11,510,274.06 is: 17,265,432.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,259,387.89 : 18,389,104.91 = 11,510,274.06 : x
  2. Step 2: Convert to fraction form
    12,259,387.89/18,389,104.91 = 11,510,274.06/x
  3. Step 3: Cross multiply
    12,259,387.89x = 18,389,104.91 × 11,510,274.06
  4. Step 4: Simplify right side
    12,259,387.89x = 211,663,637,276,044.16
  5. Step 5: Solve for x
    x = 211,663,637,276,044.16/12,259,387.89
  6. Step 6: Final answer
    x = 17,265,432.75

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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.