Home / 20,723,199.96-31,065,982.02-7,252,679.64

Finding the Fourth Proportional to 20,723,199.96, 31,065,982.02 and 7,252,679.64

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Solution

The fourth proportional to 20,723,199.96, 31,065,982.02 and 7,252,679.64 is: 10,872,433.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,723,199.96 : 31,065,982.02 = 7,252,679.64 : x
  2. Step 2: Convert to fraction form
    20,723,199.96/31,065,982.02 = 7,252,679.64/x
  3. Step 3: Cross multiply
    20,723,199.96x = 31,065,982.02 × 7,252,679.64
  4. Step 4: Simplify right side
    20,723,199.96x = 225,311,615,293,060.06
  5. Step 5: Solve for x
    x = 225,311,615,293,060.06/20,723,199.96
  6. Step 6: Final answer
    x = 10,872,433.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.