Home / 18,145,001.60-27,217,502.40-10,964,643.20

Finding the Fourth Proportional to 18,145,001.60, 27,217,502.40 and 10,964,643.20

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Solution

The fourth proportional to 18,145,001.60, 27,217,502.40 and 10,964,643.20 is: 16,446,964.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145,001.60 : 27,217,502.40 = 10,964,643.20 : x
  2. Step 2: Convert to fraction form
    18,145,001.60/27,217,502.40 = 10,964,643.20/x
  3. Step 3: Cross multiply
    18,145,001.60x = 27,217,502.40 × 10,964,643.20
  4. Step 4: Simplify right side
    18,145,001.60x = 298,430,202,611,143.62
  5. Step 5: Solve for x
    x = 298,430,202,611,143.62/18,145,001.60
  6. Step 6: Final answer
    x = 16,446,964.80

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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.