Home / 12,747,013.74-17,590,328.82-7,240,371.44

Finding the Fourth Proportional to 12,747,013.74, 17,590,328.82 and 7,240,371.44

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Solution

The fourth proportional to 12,747,013.74, 17,590,328.82 and 7,240,371.44 is: 9,991,400.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,747,013.74 : 17,590,328.82 = 7,240,371.44 : x
  2. Step 2: Convert to fraction form
    12,747,013.74/17,590,328.82 = 7,240,371.44/x
  3. Step 3: Cross multiply
    12,747,013.74x = 17,590,328.82 × 7,240,371.44
  4. Step 4: Simplify right side
    12,747,013.74x = 127,360,514,320,585.25
  5. Step 5: Solve for x
    x = 127,360,514,320,585.25/12,747,013.74
  6. Step 6: Final answer
    x = 9,991,400.10

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1.5x scale

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.