Home / 12,788,435.76-19,184,249.88-5,006,344.88

Finding the Fourth Proportional to 12,788,435.76, 19,184,249.88 and 5,006,344.88

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Solution

The fourth proportional to 12,788,435.76, 19,184,249.88 and 5,006,344.88 is: 7,510,142.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,788,435.76 : 19,184,249.88 = 5,006,344.88 : x
  2. Step 2: Convert to fraction form
    12,788,435.76/19,184,249.88 = 5,006,344.88/x
  3. Step 3: Cross multiply
    12,788,435.76x = 19,184,249.88 × 5,006,344.88
  4. Step 4: Simplify right side
    12,788,435.76x = 96,042,971,163,378.61
  5. Step 5: Solve for x
    x = 96,042,971,163,378.61/12,788,435.76
  6. Step 6: Final answer
    x = 7,510,142.21

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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.