Home / 11,518,306-17,280,300.75-3,431,250.22

Finding the Fourth Proportional to 11,518,306, 17,280,300.75 and 3,431,250.22

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Solution

The fourth proportional to 11,518,306, 17,280,300.75 and 3,431,250.22 is: 5,147,721.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,518,306 : 17,280,300.75 = 3,431,250.22 : x
  2. Step 2: Convert to fraction form
    11,518,306/17,280,300.75 = 3,431,250.22/x
  3. Step 3: Cross multiply
    11,518,306x = 17,280,300.75 × 3,431,250.22
  4. Step 4: Simplify right side
    11,518,306x = 59,293,035,750,103.67
  5. Step 5: Solve for x
    x = 59,293,035,750,103.67/11,518,306
  6. Step 6: Final answer
    x = 5,147,721.87

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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.