Home / 12,287,614.94-18,439,650.80-5,099,155.75

Finding the Fourth Proportional to 12,287,614.94, 18,439,650.80 and 5,099,155.75

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Solution

The fourth proportional to 12,287,614.94, 18,439,650.80 and 5,099,155.75 is: 7,652,148.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,287,614.94 : 18,439,650.80 = 5,099,155.75 : x
  2. Step 2: Convert to fraction form
    12,287,614.94/18,439,650.80 = 5,099,155.75/x
  3. Step 3: Cross multiply
    12,287,614.94x = 18,439,650.80 × 5,099,155.75
  4. Step 4: Simplify right side
    12,287,614.94x = 94,026,651,404,812.11
  5. Step 5: Solve for x
    x = 94,026,651,404,812.11/12,287,614.94
  6. Step 6: Final answer
    x = 7,652,148.27

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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.