Home / 12,725,857.74-17,558,622.48-7,499,079.92

Finding the Fourth Proportional to 12,725,857.74, 17,558,622.48 and 7,499,079.92

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Solution

The fourth proportional to 12,725,857.74, 17,558,622.48 and 7,499,079.92 is: 10,346,926.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,725,857.74 : 17,558,622.48 = 7,499,079.92 : x
  2. Step 2: Convert to fraction form
    12,725,857.74/17,558,622.48 = 7,499,079.92/x
  3. Step 3: Cross multiply
    12,725,857.74x = 17,558,622.48 × 7,499,079.92
  4. Step 4: Simplify right side
    12,725,857.74x = 131,673,513,262,628.61
  5. Step 5: Solve for x
    x = 131,673,513,262,628.61/12,725,857.74
  6. Step 6: Final answer
    x = 10,346,926.39

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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.