Home / 12,442,851.40-18,664,277.10-10,317,087.40

Finding the Fourth Proportional to 12,442,851.40, 18,664,277.10 and 10,317,087.40

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Solution

The fourth proportional to 12,442,851.40, 18,664,277.10 and 10,317,087.40 is: 15,475,631.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,442,851.40 : 18,664,277.10 = 10,317,087.40 : x
  2. Step 2: Convert to fraction form
    12,442,851.40/18,664,277.10 = 10,317,087.40/x
  3. Step 3: Cross multiply
    12,442,851.40x = 18,664,277.10 × 10,317,087.40
  4. Step 4: Simplify right side
    12,442,851.40x = 192,560,978,098,518.56
  5. Step 5: Solve for x
    x = 192,560,978,098,518.56/12,442,851.40
  6. Step 6: Final answer
    x = 15,475,631.10

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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.