Home / 7,779,613.62-11,659,971.96-5,505,802.50

Finding the Fourth Proportional to 7,779,613.62, 11,659,971.96 and 5,505,802.50

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Solution

The fourth proportional to 7,779,613.62, 11,659,971.96 and 5,505,802.50 is: 8,252,016.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,779,613.62 : 11,659,971.96 = 5,505,802.50 : x
  2. Step 2: Convert to fraction form
    7,779,613.62/11,659,971.96 = 5,505,802.50/x
  3. Step 3: Cross multiply
    7,779,613.62x = 11,659,971.96 × 5,505,802.50
  4. Step 4: Simplify right side
    7,779,613.62x = 64,197,502,767,297.91
  5. Step 5: Solve for x
    x = 64,197,502,767,297.91/7,779,613.62
  6. Step 6: Final answer
    x = 8,252,016.86

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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.