Home / 10,775,240.80-16,162,861.20-6,513,215.20

Finding the Fourth Proportional to 10,775,240.80, 16,162,861.20 and 6,513,215.20

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Solution

The fourth proportional to 10,775,240.80, 16,162,861.20 and 6,513,215.20 is: 9,769,822.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,775,240.80 : 16,162,861.20 = 6,513,215.20 : x
  2. Step 2: Convert to fraction form
    10,775,240.80/16,162,861.20 = 6,513,215.20/x
  3. Step 3: Cross multiply
    10,775,240.80x = 16,162,861.20 × 6,513,215.20
  4. Step 4: Simplify right side
    10,775,240.80x = 105,272,193,243,330.23
  5. Step 5: Solve for x
    x = 105,272,193,243,330.23/10,775,240.80
  6. Step 6: Final answer
    x = 9,769,822.80

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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.