Home / 7,728,416.69-11,648,176.08-6,661,803.23

Finding the Fourth Proportional to 7,728,416.69, 11,648,176.08 and 6,661,803.23

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Solution

The fourth proportional to 7,728,416.69, 11,648,176.08 and 6,661,803.23 is: 10,040,589.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,728,416.69 : 11,648,176.08 = 6,661,803.23 : x
  2. Step 2: Convert to fraction form
    7,728,416.69/11,648,176.08 = 6,661,803.23/x
  3. Step 3: Cross multiply
    7,728,416.69x = 11,648,176.08 × 6,661,803.23
  4. Step 4: Simplify right side
    7,728,416.69x = 77,597,856,941,802.83
  5. Step 5: Solve for x
    x = 77,597,856,941,802.83/7,728,416.69
  6. Step 6: Final answer
    x = 10,040,589.17

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.