Home / 11,855,331.28-16,360,384.56-6,628,525.72

Finding the Fourth Proportional to 11,855,331.28, 16,360,384.56 and 6,628,525.72

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Solution

The fourth proportional to 11,855,331.28, 16,360,384.56 and 6,628,525.72 is: 9,147,380.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,855,331.28 : 16,360,384.56 = 6,628,525.72 : x
  2. Step 2: Convert to fraction form
    11,855,331.28/16,360,384.56 = 6,628,525.72/x
  3. Step 3: Cross multiply
    11,855,331.28x = 16,360,384.56 × 6,628,525.72
  4. Step 4: Simplify right side
    11,855,331.28x = 108,445,229,779,292.95
  5. Step 5: Solve for x
    x = 108,445,229,779,292.95/11,855,331.28
  6. Step 6: Final answer
    x = 9,147,380.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.