Home / 19,162,912.20-28,744,368.30-9,579,769.80

Finding the Fourth Proportional to 19,162,912.20, 28,744,368.30 and 9,579,769.80

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Solution

The fourth proportional to 19,162,912.20, 28,744,368.30 and 9,579,769.80 is: 14,369,654.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,162,912.20 : 28,744,368.30 = 9,579,769.80 : x
  2. Step 2: Convert to fraction form
    19,162,912.20/28,744,368.30 = 9,579,769.80/x
  3. Step 3: Cross multiply
    19,162,912.20x = 28,744,368.30 × 9,579,769.80
  4. Step 4: Simplify right side
    19,162,912.20x = 275,364,431,360,417.38
  5. Step 5: Solve for x
    x = 275,364,431,360,417.38/19,162,912.20
  6. Step 6: Final answer
    x = 14,369,654.70

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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.