Home / 18,827,206.10-28,214,110.59-7,885,608.02

Finding the Fourth Proportional to 18,827,206.10, 28,214,110.59 and 7,885,608.02

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Solution

The fourth proportional to 18,827,206.10, 28,214,110.59 and 7,885,608.02 is: 11,817,229.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,827,206.10 : 28,214,110.59 = 7,885,608.02 : x
  2. Step 2: Convert to fraction form
    18,827,206.10/28,214,110.59 = 7,885,608.02/x
  3. Step 3: Cross multiply
    18,827,206.10x = 28,214,110.59 × 7,885,608.02
  4. Step 4: Simplify right side
    18,827,206.10x = 222,485,416,745,670.91
  5. Step 5: Solve for x
    x = 222,485,416,745,670.91/18,827,206.10
  6. Step 6: Final answer
    x = 11,817,229.58

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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.