Home / 37,836,369.92-52,214,189.60-20,432,713.72

Finding the Fourth Proportional to 37,836,369.92, 52,214,189.60 and 20,432,713.72

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Solution

The fourth proportional to 37,836,369.92, 52,214,189.60 and 20,432,713.72 is: 28,197,144.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,836,369.92 : 52,214,189.60 = 20,432,713.72 : x
  2. Step 2: Convert to fraction form
    37,836,369.92/52,214,189.60 = 20,432,713.72/x
  3. Step 3: Cross multiply
    37,836,369.92x = 52,214,189.60 × 20,432,713.72
  4. Step 4: Simplify right side
    37,836,369.92x = 1,066,877,588,218,601.25
  5. Step 5: Solve for x
    x = 1,066,877,588,218,601.25/37,836,369.92
  6. Step 6: Final answer
    x = 28,197,144.45

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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.