Home / 10,479,220.16-15,717,929.77-6,379,477.18

Finding the Fourth Proportional to 10,479,220.16, 15,717,929.77 and 6,379,477.18

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Solution

The fourth proportional to 10,479,220.16, 15,717,929.77 and 6,379,477.18 is: 9,568,667.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,479,220.16 : 15,717,929.77 = 6,379,477.18 : x
  2. Step 2: Convert to fraction form
    10,479,220.16/15,717,929.77 = 6,379,477.18/x
  3. Step 3: Cross multiply
    10,479,220.16x = 15,717,929.77 × 6,379,477.18
  4. Step 4: Simplify right side
    10,479,220.16x = 100,272,174,223,766.06
  5. Step 5: Solve for x
    x = 100,272,174,223,766.06/10,479,220.16
  6. Step 6: Final answer
    x = 9,568,667.58

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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.