Home / 13,486,550.70-20,229,826.05-7,817,846.70

Finding the Fourth Proportional to 13,486,550.70, 20,229,826.05 and 7,817,846.70

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Solution

The fourth proportional to 13,486,550.70, 20,229,826.05 and 7,817,846.70 is: 11,726,770.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,486,550.70 : 20,229,826.05 = 7,817,846.70 : x
  2. Step 2: Convert to fraction form
    13,486,550.70/20,229,826.05 = 7,817,846.70/x
  3. Step 3: Cross multiply
    13,486,550.70x = 20,229,826.05 × 7,817,846.70
  4. Step 4: Simplify right side
    13,486,550.70x = 158,153,678,826,566.53
  5. Step 5: Solve for x
    x = 158,153,678,826,566.53/13,486,550.70
  6. Step 6: Final answer
    x = 11,726,770.05

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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.