Home / 8,509,707-11,743,395.66-4,642,243.74

Finding the Fourth Proportional to 8,509,707, 11,743,395.66 and 4,642,243.74

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Solution

The fourth proportional to 8,509,707, 11,743,395.66 and 4,642,243.74 is: 6,406,296.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,509,707 : 11,743,395.66 = 4,642,243.74 : x
  2. Step 2: Convert to fraction form
    8,509,707/11,743,395.66 = 4,642,243.74/x
  3. Step 3: Cross multiply
    8,509,707x = 11,743,395.66 × 4,642,243.74
  4. Step 4: Simplify right side
    8,509,707x = 54,515,704,988,978.17
  5. Step 5: Solve for x
    x = 54,515,704,988,978.17/8,509,707
  6. Step 6: Final answer
    x = 6,406,296.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.