Home / 12,216,544-18,316,728.24-5,827,782.40

Finding the Fourth Proportional to 12,216,544, 18,316,728.24 and 5,827,782.40

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Solution

The fourth proportional to 12,216,544, 18,316,728.24 and 5,827,782.40 is: 8,737,815.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,216,544 : 18,316,728.24 = 5,827,782.40 : x
  2. Step 2: Convert to fraction form
    12,216,544/18,316,728.24 = 5,827,782.40/x
  3. Step 3: Cross multiply
    12,216,544x = 18,316,728.24 × 5,827,782.40
  4. Step 4: Simplify right side
    12,216,544x = 106,745,906,462,654.97
  5. Step 5: Solve for x
    x = 106,745,906,462,654.97/12,216,544
  6. Step 6: Final answer
    x = 8,737,815.41

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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.