Home / 18,649,830.40-27,951,248.96-9,992,459.68

Finding the Fourth Proportional to 18,649,830.40, 27,951,248.96 and 9,992,459.68

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Solution

The fourth proportional to 18,649,830.40, 27,951,248.96 and 9,992,459.68 is: 14,976,100.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,649,830.40 : 27,951,248.96 = 9,992,459.68 : x
  2. Step 2: Convert to fraction form
    18,649,830.40/27,951,248.96 = 9,992,459.68/x
  3. Step 3: Cross multiply
    18,649,830.40x = 27,951,248.96 × 9,992,459.68
  4. Step 4: Simplify right side
    18,649,830.40x = 279,301,728,238,441.94
  5. Step 5: Solve for x
    x = 279,301,728,238,441.94/18,649,830.40
  6. Step 6: Final answer
    x = 14,976,100.17

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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.