Home / 21,723,449.60-29,978,667.51-11,934,798.46

Finding the Fourth Proportional to 21,723,449.60, 29,978,667.51 and 11,934,798.46

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Solution

The fourth proportional to 21,723,449.60, 29,978,667.51 and 11,934,798.46 is: 16,470,190.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,723,449.60 : 29,978,667.51 = 11,934,798.46 : x
  2. Step 2: Convert to fraction form
    21,723,449.60/29,978,667.51 = 11,934,798.46/x
  3. Step 3: Cross multiply
    21,723,449.60x = 29,978,667.51 × 11,934,798.46
  4. Step 4: Simplify right side
    21,723,449.60x = 357,789,354,711,497.88
  5. Step 5: Solve for x
    x = 357,789,354,711,497.88/21,723,449.60
  6. Step 6: Final answer
    x = 16,470,190.57

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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.