Home / 9,756,480-13,463,942.40-5,464,128

Finding the Fourth Proportional to 9,756,480, 13,463,942.40 and 5,464,128

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Solution

The fourth proportional to 9,756,480, 13,463,942.40 and 5,464,128 is: 7,540,496.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,756,480 : 13,463,942.40 = 5,464,128 : x
  2. Step 2: Convert to fraction form
    9,756,480/13,463,942.40 = 5,464,128/x
  3. Step 3: Cross multiply
    9,756,480x = 13,463,942.40 × 5,464,128
  4. Step 4: Simplify right side
    9,756,480x = 73,568,704,658,227.20
  5. Step 5: Solve for x
    x = 73,568,704,658,227.20/9,756,480
  6. Step 6: Final answer
    x = 7,540,496.64

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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.