Home / 10,309,717.80-15,460,640.10-3,118,861.80

Finding the Fourth Proportional to 10,309,717.80, 15,460,640.10 and 3,118,861.80

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Solution

The fourth proportional to 10,309,717.80, 15,460,640.10 and 3,118,861.80 is: 4,677,101.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,309,717.80 : 15,460,640.10 = 3,118,861.80 : x
  2. Step 2: Convert to fraction form
    10,309,717.80/15,460,640.10 = 3,118,861.80/x
  3. Step 3: Cross multiply
    10,309,717.80x = 15,460,640.10 × 3,118,861.80
  4. Step 4: Simplify right side
    10,309,717.80x = 48,219,599,811,438.18
  5. Step 5: Solve for x
    x = 48,219,599,811,438.18/10,309,717.80
  6. Step 6: Final answer
    x = 4,677,101.81

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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.