Home / 7,877,020.64-11,814,481.20-2,196,769.28

Finding the Fourth Proportional to 7,877,020.64, 11,814,481.20 and 2,196,769.28

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Solution

The fourth proportional to 7,877,020.64, 11,814,481.20 and 2,196,769.28 is: 3,294,861.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,877,020.64 : 11,814,481.20 = 2,196,769.28 : x
  2. Step 2: Convert to fraction form
    7,877,020.64/11,814,481.20 = 2,196,769.28/x
  3. Step 3: Cross multiply
    7,877,020.64x = 11,814,481.20 × 2,196,769.28
  4. Step 4: Simplify right side
    7,877,020.64x = 25,953,689,359,297.53
  5. Step 5: Solve for x
    x = 25,953,689,359,297.53/7,877,020.64
  6. Step 6: Final answer
    x = 3,294,861.16

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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.