Home / 12,451,288.50-18,672,448.74-5,263,381.26

Finding the Fourth Proportional to 12,451,288.50, 18,672,448.74 and 5,263,381.26

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Solution

The fourth proportional to 12,451,288.50, 18,672,448.74 and 5,263,381.26 is: 7,893,176.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,451,288.50 : 18,672,448.74 = 5,263,381.26 : x
  2. Step 2: Convert to fraction form
    12,451,288.50/18,672,448.74 = 5,263,381.26/x
  3. Step 3: Cross multiply
    12,451,288.50x = 18,672,448.74 × 5,263,381.26
  4. Step 4: Simplify right side
    12,451,288.50x = 98,280,216,776,426.59
  5. Step 5: Solve for x
    x = 98,280,216,776,426.59/12,451,288.50
  6. Step 6: Final answer
    x = 7,893,176.42

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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.