Home / 12,275,148-16,939,705.35-6,842,640

Finding the Fourth Proportional to 12,275,148, 16,939,705.35 and 6,842,640

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Solution

The fourth proportional to 12,275,148, 16,939,705.35 and 6,842,640 is: 9,442,843.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,275,148 : 16,939,705.35 = 6,842,640 : x
  2. Step 2: Convert to fraction form
    12,275,148/16,939,705.35 = 6,842,640/x
  3. Step 3: Cross multiply
    12,275,148x = 16,939,705.35 × 6,842,640
  4. Step 4: Simplify right side
    12,275,148x = 115,912,305,416,124.02
  5. Step 5: Solve for x
    x = 115,912,305,416,124.02/12,275,148
  6. Step 6: Final answer
    x = 9,442,843.82

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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.