Home / 23,133,943.58-31,926,685.11-12,821,654.30

Finding the Fourth Proportional to 23,133,943.58, 31,926,685.11 and 12,821,654.30

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Solution

The fourth proportional to 23,133,943.58, 31,926,685.11 and 12,821,654.30 is: 17,694,904.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,133,943.58 : 31,926,685.11 = 12,821,654.30 : x
  2. Step 2: Convert to fraction form
    23,133,943.58/31,926,685.11 = 12,821,654.30/x
  3. Step 3: Cross multiply
    23,133,943.58x = 31,926,685.11 × 12,821,654.30
  4. Step 4: Simplify right side
    23,133,943.58x = 409,352,919,425,377.50
  5. Step 5: Solve for x
    x = 409,352,919,425,377.50/23,133,943.58
  6. Step 6: Final answer
    x = 17,694,904.37

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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.