Home / 51,141,451.80-76,711,956.04-12,802,855.19

Finding the Fourth Proportional to 51,141,451.80, 76,711,956.04 and 12,802,855.19

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Solution

The fourth proportional to 51,141,451.80, 76,711,956.04 and 12,802,855.19 is: 19,204,227.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,141,451.80 : 76,711,956.04 = 12,802,855.19 : x
  2. Step 2: Convert to fraction form
    51,141,451.80/76,711,956.04 = 12,802,855.19/x
  3. Step 3: Cross multiply
    51,141,451.80x = 76,711,956.04 × 12,802,855.19
  4. Step 4: Simplify right side
    51,141,451.80x = 982,132,064,513,698.38
  5. Step 5: Solve for x
    x = 982,132,064,513,698.38/51,141,451.80
  6. Step 6: Final answer
    x = 19,204,227.29

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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.