Home / 18,144,420.30-27,216,630.45-12,097,802.70

Finding the Fourth Proportional to 18,144,420.30, 27,216,630.45 and 12,097,802.70

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Solution

The fourth proportional to 18,144,420.30, 27,216,630.45 and 12,097,802.70 is: 18,146,704.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144,420.30 : 27,216,630.45 = 12,097,802.70 : x
  2. Step 2: Convert to fraction form
    18,144,420.30/27,216,630.45 = 12,097,802.70/x
  3. Step 3: Cross multiply
    18,144,420.30x = 27,216,630.45 × 12,097,802.70
  4. Step 4: Simplify right side
    18,144,420.30x = 329,261,425,342,912.19
  5. Step 5: Solve for x
    x = 329,261,425,342,912.19/18,144,420.30
  6. Step 6: Final answer
    x = 18,146,704.05

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