Home / 31,260,102.40-46,890,153.60-21,056,435.20

Finding the Fourth Proportional to 31,260,102.40, 46,890,153.60 and 21,056,435.20

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Solution

The fourth proportional to 31,260,102.40, 46,890,153.60 and 21,056,435.20 is: 31,584,652.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,260,102.40 : 46,890,153.60 = 21,056,435.20 : x
  2. Step 2: Convert to fraction form
    31,260,102.40/46,890,153.60 = 21,056,435.20/x
  3. Step 3: Cross multiply
    31,260,102.40x = 46,890,153.60 × 21,056,435.20
  4. Step 4: Simplify right side
    31,260,102.40x = 987,339,480,796,446.75
  5. Step 5: Solve for x
    x = 987,339,480,796,446.75/31,260,102.40
  6. Step 6: Final answer
    x = 31,584,652.80

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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.