Home / 12,875,339.70-19,313,009.55-8,086,392.90

Finding the Fourth Proportional to 12,875,339.70, 19,313,009.55 and 8,086,392.90

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Solution

The fourth proportional to 12,875,339.70, 19,313,009.55 and 8,086,392.90 is: 12,129,589.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,875,339.70 : 19,313,009.55 = 8,086,392.90 : x
  2. Step 2: Convert to fraction form
    12,875,339.70/19,313,009.55 = 8,086,392.90/x
  3. Step 3: Cross multiply
    12,875,339.70x = 19,313,009.55 × 8,086,392.90
  4. Step 4: Simplify right side
    12,875,339.70x = 156,172,583,302,752.22
  5. Step 5: Solve for x
    x = 156,172,583,302,752.22/12,875,339.70
  6. Step 6: Final answer
    x = 12,129,589.35

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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.