Home / 8,702,638.45-13,052,509.87-2,635,927.78

Finding the Fourth Proportional to 8,702,638.45, 13,052,509.87 and 2,635,927.78

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Solution

The fourth proportional to 8,702,638.45, 13,052,509.87 and 2,635,927.78 is: 3,953,453.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,702,638.45 : 13,052,509.87 = 2,635,927.78 : x
  2. Step 2: Convert to fraction form
    8,702,638.45/13,052,509.87 = 2,635,927.78/x
  3. Step 3: Cross multiply
    8,702,638.45x = 13,052,509.87 × 2,635,927.78
  4. Step 4: Simplify right side
    8,702,638.45x = 34,405,473,365,057.18
  5. Step 5: Solve for x
    x = 34,405,473,365,057.18/8,702,638.45
  6. Step 6: Final answer
    x = 3,953,453.15

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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.