Home / 12,119,664-16,725,486.24-6,687,505.92

Finding the Fourth Proportional to 12,119,664, 16,725,486.24 and 6,687,505.92

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Solution

The fourth proportional to 12,119,664, 16,725,486.24 and 6,687,505.92 is: 9,228,951.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,119,664 : 16,725,486.24 = 6,687,505.92 : x
  2. Step 2: Convert to fraction form
    12,119,664/16,725,486.24 = 6,687,505.92/x
  3. Step 3: Cross multiply
    12,119,664x = 16,725,486.24 × 6,687,505.92
  4. Step 4: Simplify right side
    12,119,664x = 111,851,788,244,878.55
  5. Step 5: Solve for x
    x = 111,851,788,244,878.55/12,119,664
  6. Step 6: Final answer
    x = 9,228,951.25

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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.