Home / 19,150,003.84-28,700,186.88-7,777,240.96

Finding the Fourth Proportional to 19,150,003.84, 28,700,186.88 and 7,777,240.96

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Solution

The fourth proportional to 19,150,003.84, 28,700,186.88 and 7,777,240.96 is: 11,655,781.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,150,003.84 : 28,700,186.88 = 7,777,240.96 : x
  2. Step 2: Convert to fraction form
    19,150,003.84/28,700,186.88 = 7,777,240.96/x
  3. Step 3: Cross multiply
    19,150,003.84x = 28,700,186.88 × 7,777,240.96
  4. Step 4: Simplify right side
    19,150,003.84x = 223,208,268,962,790.59
  5. Step 5: Solve for x
    x = 223,208,268,962,790.59/19,150,003.84
  6. Step 6: Final answer
    x = 11,655,781.94

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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.