Home / 19,008,091.40-28,491,141.90-10,494,537.80

Finding the Fourth Proportional to 19,008,091.40, 28,491,141.90 and 10,494,537.80

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Solution

The fourth proportional to 19,008,091.40, 28,491,141.90 and 10,494,537.80 is: 15,730,215.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,008,091.40 : 28,491,141.90 = 10,494,537.80 : x
  2. Step 2: Convert to fraction form
    19,008,091.40/28,491,141.90 = 10,494,537.80/x
  3. Step 3: Cross multiply
    19,008,091.40x = 28,491,141.90 × 10,494,537.80
  4. Step 4: Simplify right side
    19,008,091.40x = 299,001,365,634,713.81
  5. Step 5: Solve for x
    x = 299,001,365,634,713.81/19,008,091.40
  6. Step 6: Final answer
    x = 15,730,215.06

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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.