Home / 10,309,198.80-15,459,861.60-3,118,342.80

Finding the Fourth Proportional to 10,309,198.80, 15,459,861.60 and 3,118,342.80

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Solution

The fourth proportional to 10,309,198.80, 15,459,861.60 and 3,118,342.80 is: 4,676,323.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,309,198.80 : 15,459,861.60 = 3,118,342.80 : x
  2. Step 2: Convert to fraction form
    10,309,198.80/15,459,861.60 = 3,118,342.80/x
  3. Step 3: Cross multiply
    10,309,198.80x = 15,459,861.60 × 3,118,342.80
  4. Step 4: Simplify right side
    10,309,198.80x = 48,209,148,109,356.48
  5. Step 5: Solve for x
    x = 48,209,148,109,356.48/10,309,198.80
  6. Step 6: Final answer
    x = 4,676,323.45

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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.