Home / 12,852,122.15-17,735,927.24-7,270,249.40

Finding the Fourth Proportional to 12,852,122.15, 17,735,927.24 and 7,270,249.40

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Solution

The fourth proportional to 12,852,122.15, 17,735,927.24 and 7,270,249.40 is: 10,032,943.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,852,122.15 : 17,735,927.24 = 7,270,249.40 : x
  2. Step 2: Convert to fraction form
    12,852,122.15/17,735,927.24 = 7,270,249.40/x
  3. Step 3: Cross multiply
    12,852,122.15x = 17,735,927.24 × 7,270,249.40
  4. Step 4: Simplify right side
    12,852,122.15x = 128,944,614,437,569.09
  5. Step 5: Solve for x
    x = 128,944,614,437,569.09/12,852,122.15
  6. Step 6: Final answer
    x = 10,032,943.43

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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.