Home / 12,786,043.10-19,179,064.65-8,008,468.70

Finding the Fourth Proportional to 12,786,043.10, 19,179,064.65 and 8,008,468.70

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Solution

The fourth proportional to 12,786,043.10, 19,179,064.65 and 8,008,468.70 is: 12,012,703.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,786,043.10 : 19,179,064.65 = 8,008,468.70 : x
  2. Step 2: Convert to fraction form
    12,786,043.10/19,179,064.65 = 8,008,468.70/x
  3. Step 3: Cross multiply
    12,786,043.10x = 19,179,064.65 × 8,008,468.70
  4. Step 4: Simplify right side
    12,786,043.10x = 153,594,938,944,801.44
  5. Step 5: Solve for x
    x = 153,594,938,944,801.44/12,786,043.10
  6. Step 6: Final answer
    x = 12,012,703.05

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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.