Home / 16,956,938.90-23,405,844.66-13,478,449.88

Finding the Fourth Proportional to 16,956,938.90, 23,405,844.66 and 13,478,449.88

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Solution

The fourth proportional to 16,956,938.90, 23,405,844.66 and 13,478,449.88 is: 18,604,448.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,956,938.90 : 23,405,844.66 = 13,478,449.88 : x
  2. Step 2: Convert to fraction form
    16,956,938.90/23,405,844.66 = 13,478,449.88/x
  3. Step 3: Cross multiply
    16,956,938.90x = 23,405,844.66 × 13,478,449.88
  4. Step 4: Simplify right side
    16,956,938.90x = 315,474,504,148,875.69
  5. Step 5: Solve for x
    x = 315,474,504,148,875.69/16,956,938.90
  6. Step 6: Final answer
    x = 18,604,448.95

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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.