Home / 10,881,567.60-16,322,351.40-7,692,921.60

Finding the Fourth Proportional to 10,881,567.60, 16,322,351.40 and 7,692,921.60

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Solution

The fourth proportional to 10,881,567.60, 16,322,351.40 and 7,692,921.60 is: 11,539,382.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,881,567.60 : 16,322,351.40 = 7,692,921.60 : x
  2. Step 2: Convert to fraction form
    10,881,567.60/16,322,351.40 = 7,692,921.60/x
  3. Step 3: Cross multiply
    10,881,567.60x = 16,322,351.40 × 7,692,921.60
  4. Step 4: Simplify right side
    10,881,567.60x = 125,566,569,647,850.23
  5. Step 5: Solve for x
    x = 125,566,569,647,850.23/10,881,567.60
  6. Step 6: Final answer
    x = 11,539,382.40

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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.