Home / 9,479,603.25-13,090,887.36-8,963,161.31

Finding the Fourth Proportional to 9,479,603.25, 13,090,887.36 and 8,963,161.31

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Solution

The fourth proportional to 9,479,603.25, 13,090,887.36 and 8,963,161.31 is: 12,377,705.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,479,603.25 : 13,090,887.36 = 8,963,161.31 : x
  2. Step 2: Convert to fraction form
    9,479,603.25/13,090,887.36 = 8,963,161.31/x
  3. Step 3: Cross multiply
    9,479,603.25x = 13,090,887.36 × 8,963,161.31
  4. Step 4: Simplify right side
    9,479,603.25x = 117,335,735,122,823.12
  5. Step 5: Solve for x
    x = 117,335,735,122,823.12/9,479,603.25
  6. Step 6: Final answer
    x = 12,377,705.27

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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.