Home / 8,618,772.28-11,893,941.78-4,751,208.76

Finding the Fourth Proportional to 8,618,772.28, 11,893,941.78 and 4,751,208.76

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Solution

The fourth proportional to 8,618,772.28, 11,893,941.78 and 4,751,208.76 is: 6,556,687.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,618,772.28 : 11,893,941.78 = 4,751,208.76 : x
  2. Step 2: Convert to fraction form
    8,618,772.28/11,893,941.78 = 4,751,208.76/x
  3. Step 3: Cross multiply
    8,618,772.28x = 11,893,941.78 × 4,751,208.76
  4. Step 4: Simplify right side
    8,618,772.28x = 56,510,600,376,065.98
  5. Step 5: Solve for x
    x = 56,510,600,376,065.98/8,618,772.28
  6. Step 6: Final answer
    x = 6,556,687.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.