Home / 15,643,963.20-23,437,951.20-13,236,513.60

Finding the Fourth Proportional to 15,643,963.20, 23,437,951.20 and 13,236,513.60

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Solution

The fourth proportional to 15,643,963.20, 23,437,951.20 and 13,236,513.60 is: 19,831,084.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,643,963.20 : 23,437,951.20 = 13,236,513.60 : x
  2. Step 2: Convert to fraction form
    15,643,963.20/23,437,951.20 = 13,236,513.60/x
  3. Step 3: Cross multiply
    15,643,963.20x = 23,437,951.20 × 13,236,513.60
  4. Step 4: Simplify right side
    15,643,963.20x = 310,236,759,814,936.31
  5. Step 5: Solve for x
    x = 310,236,759,814,936.31/15,643,963.20
  6. Step 6: Final answer
    x = 19,831,084.74

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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.