Home / 7,776,015.60-11,664,023.40-6,780,687.60

Finding the Fourth Proportional to 7,776,015.60, 11,664,023.40 and 6,780,687.60

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Solution

The fourth proportional to 7,776,015.60, 11,664,023.40 and 6,780,687.60 is: 10,171,031.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,776,015.60 : 11,664,023.40 = 6,780,687.60 : x
  2. Step 2: Convert to fraction form
    7,776,015.60/11,664,023.40 = 6,780,687.60/x
  3. Step 3: Cross multiply
    7,776,015.60x = 11,664,023.40 × 6,780,687.60
  4. Step 4: Simplify right side
    7,776,015.60x = 79,090,098,834,489.84
  5. Step 5: Solve for x
    x = 79,090,098,834,489.84/7,776,015.60
  6. Step 6: Final answer
    x = 10,171,031.40

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1.5x scale

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.