Home / 12,828,497.32-19,246,288.92-11,418,407.20

Finding the Fourth Proportional to 12,828,497.32, 19,246,288.92 and 11,418,407.20

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Solution

The fourth proportional to 12,828,497.32, 19,246,288.92 and 11,418,407.20 is: 17,130,764.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,828,497.32 : 19,246,288.92 = 11,418,407.20 : x
  2. Step 2: Convert to fraction form
    12,828,497.32/19,246,288.92 = 11,418,407.20/x
  3. Step 3: Cross multiply
    12,828,497.32x = 19,246,288.92 × 11,418,407.20
  4. Step 4: Simplify right side
    12,828,497.32x = 219,761,963,977,408.22
  5. Step 5: Solve for x
    x = 219,761,963,977,408.22/12,828,497.32
  6. Step 6: Final answer
    x = 17,130,764.31

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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.