Home / 21,731,561.40-32,585,532.30-8,953,357.80

Finding the Fourth Proportional to 21,731,561.40, 32,585,532.30 and 8,953,357.80

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Solution

The fourth proportional to 21,731,561.40, 32,585,532.30 and 8,953,357.80 is: 13,425,171.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,731,561.40 : 32,585,532.30 = 8,953,357.80 : x
  2. Step 2: Convert to fraction form
    21,731,561.40/32,585,532.30 = 8,953,357.80/x
  3. Step 3: Cross multiply
    21,731,561.40x = 32,585,532.30 × 8,953,357.80
  4. Step 4: Simplify right side
    21,731,561.40x = 291,749,929,785,357
  5. Step 5: Solve for x
    x = 291,749,929,785,357/21,731,561.40
  6. Step 6: Final answer
    x = 13,425,171.09

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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.