Home / 12,621,179.67-17,417,227.20-6,819,961.22

Finding the Fourth Proportional to 12,621,179.67, 17,417,227.20 and 6,819,961.22

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Solution

The fourth proportional to 12,621,179.67, 17,417,227.20 and 6,819,961.22 is: 9,411,546.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,621,179.67 : 17,417,227.20 = 6,819,961.22 : x
  2. Step 2: Convert to fraction form
    12,621,179.67/17,417,227.20 = 6,819,961.22/x
  3. Step 3: Cross multiply
    12,621,179.67x = 17,417,227.20 × 6,819,961.22
  4. Step 4: Simplify right side
    12,621,179.67x = 118,784,814,016,582.80
  5. Step 5: Solve for x
    x = 118,784,814,016,582.80/12,621,179.67
  6. Step 6: Final answer
    x = 9,411,546.08

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1.5x scale

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.