Home / 12,828,496.32-19,246,287.42-11,418,406.20

Finding the Fourth Proportional to 12,828,496.32, 19,246,287.42 and 11,418,406.20

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Solution

The fourth proportional to 12,828,496.32, 19,246,287.42 and 11,418,406.20 is: 17,130,762.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,828,496.32 : 19,246,287.42 = 11,418,406.20 : x
  2. Step 2: Convert to fraction form
    12,828,496.32/19,246,287.42 = 11,418,406.20/x
  3. Step 3: Cross multiply
    12,828,496.32x = 19,246,287.42 × 11,418,406.20
  4. Step 4: Simplify right side
    12,828,496.32x = 219,761,927,603,510
  5. Step 5: Solve for x
    x = 219,761,927,603,510/12,828,496.32
  6. Step 6: Final answer
    x = 17,130,762.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.