Home / 18,220,635.90-27,341,451.45-6,869,231.10

Finding the Fourth Proportional to 18,220,635.90, 27,341,451.45 and 6,869,231.10

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Solution

The fourth proportional to 18,220,635.90, 27,341,451.45 and 6,869,231.10 is: 10,307,804.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,220,635.90 : 27,341,451.45 = 6,869,231.10 : x
  2. Step 2: Convert to fraction form
    18,220,635.90/27,341,451.45 = 6,869,231.10/x
  3. Step 3: Cross multiply
    18,220,635.90x = 27,341,451.45 × 6,869,231.10
  4. Step 4: Simplify right side
    18,220,635.90x = 187,814,748,619,480.09
  5. Step 5: Solve for x
    x = 187,814,748,619,480.09/18,220,635.90
  6. Step 6: Final answer
    x = 10,307,804.27

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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.