Home / 7,776,016.40-11,664,024.60-7,278,352.40

Finding the Fourth Proportional to 7,776,016.40, 11,664,024.60 and 7,278,352.40

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Solution

The fourth proportional to 7,776,016.40, 11,664,024.60 and 7,278,352.40 is: 10,917,528.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,776,016.40 : 11,664,024.60 = 7,278,352.40 : x
  2. Step 2: Convert to fraction form
    7,776,016.40/11,664,024.60 = 7,278,352.40/x
  3. Step 3: Cross multiply
    7,776,016.40x = 11,664,024.60 × 7,278,352.40
  4. Step 4: Simplify right side
    7,776,016.40x = 84,894,881,441,069.05
  5. Step 5: Solve for x
    x = 84,894,881,441,069.05/7,776,016.40
  6. Step 6: Final answer
    x = 10,917,528.60

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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.