Home / 13,412,173.08-20,118,988.62-3,826,814.52

Finding the Fourth Proportional to 13,412,173.08, 20,118,988.62 and 3,826,814.52

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Solution

The fourth proportional to 13,412,173.08, 20,118,988.62 and 3,826,814.52 is: 5,740,429.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,412,173.08 : 20,118,988.62 = 3,826,814.52 : x
  2. Step 2: Convert to fraction form
    13,412,173.08/20,118,988.62 = 3,826,814.52/x
  3. Step 3: Cross multiply
    13,412,173.08x = 20,118,988.62 × 3,826,814.52
  4. Step 4: Simplify right side
    13,412,173.08x = 76,991,637,778,730.77
  5. Step 5: Solve for x
    x = 76,991,637,778,730.77/13,412,173.08
  6. Step 6: Final answer
    x = 5,740,429.78

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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.