Home / 9,968,127.56-13,756,021.86-5,384,448.68

Finding the Fourth Proportional to 9,968,127.56, 13,756,021.86 and 5,384,448.68

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Solution

The fourth proportional to 9,968,127.56, 13,756,021.86 and 5,384,448.68 is: 7,430,542.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,968,127.56 : 13,756,021.86 = 5,384,448.68 : x
  2. Step 2: Convert to fraction form
    9,968,127.56/13,756,021.86 = 5,384,448.68/x
  3. Step 3: Cross multiply
    9,968,127.56x = 13,756,021.86 × 5,384,448.68
  4. Step 4: Simplify right side
    9,968,127.56x = 74,068,593,746,128.14
  5. Step 5: Solve for x
    x = 74,068,593,746,128.14/9,968,127.56
  6. Step 6: Final answer
    x = 7,430,542.33

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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.