Home / 12,736,980.48-17,572,416.96-7,227,164.52

Finding the Fourth Proportional to 12,736,980.48, 17,572,416.96 and 7,227,164.52

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Solution

The fourth proportional to 12,736,980.48, 17,572,416.96 and 7,227,164.52 is: 9,970,867.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,736,980.48 : 17,572,416.96 = 7,227,164.52 : x
  2. Step 2: Convert to fraction form
    12,736,980.48/17,572,416.96 = 7,227,164.52/x
  3. Step 3: Cross multiply
    12,736,980.48x = 17,572,416.96 × 7,227,164.52
  4. Step 4: Simplify right side
    12,736,980.48x = 126,998,748,383,958.25
  5. Step 5: Solve for x
    x = 126,998,748,383,958.25/12,736,980.48
  6. Step 6: Final answer
    x = 9,970,867.79

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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.