Home / 6,923,904.96-10,386,178.20-2,131,808.88

Finding the Fourth Proportional to 6,923,904.96, 10,386,178.20 and 2,131,808.88

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Solution

The fourth proportional to 6,923,904.96, 10,386,178.20 and 2,131,808.88 is: 3,197,812.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,923,904.96 : 10,386,178.20 = 2,131,808.88 : x
  2. Step 2: Convert to fraction form
    6,923,904.96/10,386,178.20 = 2,131,808.88/x
  3. Step 3: Cross multiply
    6,923,904.96x = 10,386,178.20 × 2,131,808.88
  4. Step 4: Simplify right side
    6,923,904.96x = 22,141,346,916,022.41
  5. Step 5: Solve for x
    x = 22,141,346,916,022.41/6,923,904.96
  6. Step 6: Final answer
    x = 3,197,812.08

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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.