Home / 21,666,983.10-32,508,769.05-21,326,912.70

Finding the Fourth Proportional to 21,666,983.10, 32,508,769.05 and 21,326,912.70

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Solution

The fourth proportional to 21,666,983.10, 32,508,769.05 and 21,326,912.70 is: 31,998,533.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,666,983.10 : 32,508,769.05 = 21,326,912.70 : x
  2. Step 2: Convert to fraction form
    21,666,983.10/32,508,769.05 = 21,326,912.70/x
  3. Step 3: Cross multiply
    21,666,983.10x = 32,508,769.05 × 21,326,912.70
  4. Step 4: Simplify right side
    21,666,983.10x = 693,311,679,513,811.88
  5. Step 5: Solve for x
    x = 693,311,679,513,811.88/21,666,983.10
  6. Step 6: Final answer
    x = 31,998,533.27

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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.