Home / 12,443,342.20-18,665,013.30-3,926,289.40

Finding the Fourth Proportional to 12,443,342.20, 18,665,013.30 and 3,926,289.40

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Solution

The fourth proportional to 12,443,342.20, 18,665,013.30 and 3,926,289.40 is: 5,889,434.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,443,342.20 : 18,665,013.30 = 3,926,289.40 : x
  2. Step 2: Convert to fraction form
    12,443,342.20/18,665,013.30 = 3,926,289.40/x
  3. Step 3: Cross multiply
    12,443,342.20x = 18,665,013.30 × 3,926,289.40
  4. Step 4: Simplify right side
    12,443,342.20x = 73,284,243,870,649.02
  5. Step 5: Solve for x
    x = 73,284,243,870,649.02/12,443,342.20
  6. Step 6: Final answer
    x = 5,889,434.10

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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.