Home / 12,230,992.80-16,878,780.89-6,724,461.33

Finding the Fourth Proportional to 12,230,992.80, 16,878,780.89 and 6,724,461.33

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Solution

The fourth proportional to 12,230,992.80, 16,878,780.89 and 6,724,461.33 is: 9,279,762.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,230,992.80 : 16,878,780.89 = 6,724,461.33 : x
  2. Step 2: Convert to fraction form
    12,230,992.80/16,878,780.89 = 6,724,461.33/x
  3. Step 3: Cross multiply
    12,230,992.80x = 16,878,780.89 × 6,724,461.33
  4. Step 4: Simplify right side
    12,230,992.80x = 113,500,709,358,725.69
  5. Step 5: Solve for x
    x = 113,500,709,358,725.69/12,230,992.80
  6. Step 6: Final answer
    x = 9,279,762.58

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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.