Home / 12,837,929.40-17,718,159.24-7,944,727.41

Finding the Fourth Proportional to 12,837,929.40, 17,718,159.24 and 7,944,727.41

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Solution

The fourth proportional to 12,837,929.40, 17,718,159.24 and 7,944,727.41 is: 10,964,848.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,837,929.40 : 17,718,159.24 = 7,944,727.41 : x
  2. Step 2: Convert to fraction form
    12,837,929.40/17,718,159.24 = 7,944,727.41/x
  3. Step 3: Cross multiply
    12,837,929.40x = 17,718,159.24 × 7,944,727.41
  4. Step 4: Simplify right side
    12,837,929.40x = 140,765,945,368,772.75
  5. Step 5: Solve for x
    x = 140,765,945,368,772.75/12,837,929.40
  6. Step 6: Final answer
    x = 10,964,848.07

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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.