Home / 19,008,086.40-28,491,134.40-10,494,532.80

Finding the Fourth Proportional to 19,008,086.40, 28,491,134.40 and 10,494,532.80

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Solution

The fourth proportional to 19,008,086.40, 28,491,134.40 and 10,494,532.80 is: 15,730,207.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,008,086.40 : 28,491,134.40 = 10,494,532.80 : x
  2. Step 2: Convert to fraction form
    19,008,086.40/28,491,134.40 = 10,494,532.80/x
  3. Step 3: Cross multiply
    19,008,086.40x = 28,491,134.40 × 10,494,532.80
  4. Step 4: Simplify right side
    19,008,086.40x = 299,001,144,470,008.31
  5. Step 5: Solve for x
    x = 299,001,144,470,008.31/19,008,086.40
  6. Step 6: Final answer
    x = 15,730,207.56

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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.