Home / 12,884,467.57-17,780,904.74-7,083,395.39

Finding the Fourth Proportional to 12,884,467.57, 17,780,904.74 and 7,083,395.39

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Solution

The fourth proportional to 12,884,467.57, 17,780,904.74 and 7,083,395.39 is: 9,775,272.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,884,467.57 : 17,780,904.74 = 7,083,395.39 : x
  2. Step 2: Convert to fraction form
    12,884,467.57/17,780,904.74 = 7,083,395.39/x
  3. Step 3: Cross multiply
    12,884,467.57x = 17,780,904.74 × 7,083,395.39
  4. Step 4: Simplify right side
    12,884,467.57x = 125,949,178,665,345.12
  5. Step 5: Solve for x
    x = 125,949,178,665,345.12/12,884,467.57
  6. Step 6: Final answer
    x = 9,775,272.28

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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.