Home / 12,222,177.52-16,868,071.20-7,330,090.96

Finding the Fourth Proportional to 12,222,177.52, 16,868,071.20 and 7,330,090.96

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Solution

The fourth proportional to 12,222,177.52, 16,868,071.20 and 7,330,090.96 is: 10,116,404.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,222,177.52 : 16,868,071.20 = 7,330,090.96 : x
  2. Step 2: Convert to fraction form
    12,222,177.52/16,868,071.20 = 7,330,090.96/x
  3. Step 3: Cross multiply
    12,222,177.52x = 16,868,071.20 × 7,330,090.96
  4. Step 4: Simplify right side
    12,222,177.52x = 123,644,496,215,756.34
  5. Step 5: Solve for x
    x = 123,644,496,215,756.34/12,222,177.52
  6. Step 6: Final answer
    x = 10,116,404.87

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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.