Home / 11,576,860.20-15,977,049.12-6,421,882.50

Finding the Fourth Proportional to 11,576,860.20, 15,977,049.12 and 6,421,882.50

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Solution

The fourth proportional to 11,576,860.20, 15,977,049.12 and 6,421,882.50 is: 8,862,742.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,576,860.20 : 15,977,049.12 = 6,421,882.50 : x
  2. Step 2: Convert to fraction form
    11,576,860.20/15,977,049.12 = 6,421,882.50/x
  3. Step 3: Cross multiply
    11,576,860.20x = 15,977,049.12 × 6,421,882.50
  4. Step 4: Simplify right side
    11,576,860.20x = 102,602,732,145,368.39
  5. Step 5: Solve for x
    x = 102,602,732,145,368.39/11,576,860.20
  6. Step 6: Final answer
    x = 8,862,742.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.