Home / 12,813,467.89-17,682,574.16-7,232,889.30

Finding the Fourth Proportional to 12,813,467.89, 17,682,574.16 and 7,232,889.30

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Solution

The fourth proportional to 12,813,467.89, 17,682,574.16 and 7,232,889.30 is: 9,981,380.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,813,467.89 : 17,682,574.16 = 7,232,889.30 : x
  2. Step 2: Convert to fraction form
    12,813,467.89/17,682,574.16 = 7,232,889.30/x
  3. Step 3: Cross multiply
    12,813,467.89x = 17,682,574.16 × 7,232,889.30
  4. Step 4: Simplify right side
    12,813,467.89x = 127,896,101,357,949.62
  5. Step 5: Solve for x
    x = 127,896,101,357,949.62/12,813,467.89
  6. Step 6: Final answer
    x = 9,981,380.72

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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.