Home / 31,008,928.56-46,509,843.70-8,291,597.28

Finding the Fourth Proportional to 31,008,928.56, 46,509,843.70 and 8,291,597.28

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Solution

The fourth proportional to 31,008,928.56, 46,509,843.70 and 8,291,597.28 is: 12,436,446.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,008,928.56 : 46,509,843.70 = 8,291,597.28 : x
  2. Step 2: Convert to fraction form
    31,008,928.56/46,509,843.70 = 8,291,597.28/x
  3. Step 3: Cross multiply
    31,008,928.56x = 46,509,843.70 × 8,291,597.28
  4. Step 4: Simplify right side
    31,008,928.56x = 385,640,893,516,145.19
  5. Step 5: Solve for x
    x = 385,640,893,516,145.19/31,008,928.56
  6. Step 6: Final answer
    x = 12,436,446.90

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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.