Home / 12,091,399.38-16,686,058.05-6,658,852.50

Finding the Fourth Proportional to 12,091,399.38, 16,686,058.05 and 6,658,852.50

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Solution

The fourth proportional to 12,091,399.38, 16,686,058.05 and 6,658,852.50 is: 9,189,176.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,091,399.38 : 16,686,058.05 = 6,658,852.50 : x
  2. Step 2: Convert to fraction form
    12,091,399.38/16,686,058.05 = 6,658,852.50/x
  3. Step 3: Cross multiply
    12,091,399.38x = 16,686,058.05 × 6,658,852.50
  4. Step 4: Simplify right side
    12,091,399.38x = 111,109,999,361,387.62
  5. Step 5: Solve for x
    x = 111,109,999,361,387.62/12,091,399.38
  6. Step 6: Final answer
    x = 9,189,176.20

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1.5x scale

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.