Home / 38,598,968.62-53,267,502.15-20,958,614.68

Finding the Fourth Proportional to 38,598,968.62, 53,267,502.15 and 20,958,614.68

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Solution

The fourth proportional to 38,598,968.62, 53,267,502.15 and 20,958,614.68 is: 28,923,390.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,598,968.62 : 53,267,502.15 = 20,958,614.68 : x
  2. Step 2: Convert to fraction form
    38,598,968.62/53,267,502.15 = 20,958,614.68/x
  3. Step 3: Cross multiply
    38,598,968.62x = 53,267,502.15 × 20,958,614.68
  4. Step 4: Simplify right side
    38,598,968.62x = 1,116,413,052,423,128.50
  5. Step 5: Solve for x
    x = 1,116,413,052,423,128.50/38,598,968.62
  6. Step 6: Final answer
    x = 28,923,390.76

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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.