Home / 7,776,008.40-11,664,012.60-7,278,344.40

Finding the Fourth Proportional to 7,776,008.40, 11,664,012.60 and 7,278,344.40

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Solution

The fourth proportional to 7,776,008.40, 11,664,012.60 and 7,278,344.40 is: 10,917,516.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,776,008.40 : 11,664,012.60 = 7,278,344.40 : x
  2. Step 2: Convert to fraction form
    7,776,008.40/11,664,012.60 = 7,278,344.40/x
  3. Step 3: Cross multiply
    7,776,008.40x = 11,664,012.60 × 7,278,344.40
  4. Step 4: Simplify right side
    7,776,008.40x = 84,894,700,788,739.44
  5. Step 5: Solve for x
    x = 84,894,700,788,739.44/7,776,008.40
  6. Step 6: Final answer
    x = 10,917,516.60

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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.