Home / 10,786,435.20-16,179,652.80-2,808,259.20

Finding the Fourth Proportional to 10,786,435.20, 16,179,652.80 and 2,808,259.20

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Solution

The fourth proportional to 10,786,435.20, 16,179,652.80 and 2,808,259.20 is: 4,212,388.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,786,435.20 : 16,179,652.80 = 2,808,259.20 : x
  2. Step 2: Convert to fraction form
    10,786,435.20/16,179,652.80 = 2,808,259.20/x
  3. Step 3: Cross multiply
    10,786,435.20x = 16,179,652.80 × 2,808,259.20
  4. Step 4: Simplify right side
    10,786,435.20x = 45,436,658,828,405.77
  5. Step 5: Solve for x
    x = 45,436,658,828,405.77/10,786,435.20
  6. Step 6: Final answer
    x = 4,212,388.80

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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.