Home / 38,063,272.72-52,525,909.70-20,659,244.16

Finding the Fourth Proportional to 38,063,272.72, 52,525,909.70 and 20,659,244.16

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Solution

The fourth proportional to 38,063,272.72, 52,525,909.70 and 20,659,244.16 is: 28,508,993.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,063,272.72 : 52,525,909.70 = 20,659,244.16 : x
  2. Step 2: Convert to fraction form
    38,063,272.72/52,525,909.70 = 20,659,244.16/x
  3. Step 3: Cross multiply
    38,063,272.72x = 52,525,909.70 × 20,659,244.16
  4. Step 4: Simplify right side
    38,063,272.72x = 1,085,145,593,218,412.38
  5. Step 5: Solve for x
    x = 1,085,145,593,218,412.38/38,063,272.72
  6. Step 6: Final answer
    x = 28,508,993.46

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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.