Home / 18,704,485.80-28,056,728.70-17,665,223.40

Finding the Fourth Proportional to 18,704,485.80, 28,056,728.70 and 17,665,223.40

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Solution

The fourth proportional to 18,704,485.80, 28,056,728.70 and 17,665,223.40 is: 26,497,835.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,704,485.80 : 28,056,728.70 = 17,665,223.40 : x
  2. Step 2: Convert to fraction form
    18,704,485.80/28,056,728.70 = 17,665,223.40/x
  3. Step 3: Cross multiply
    18,704,485.80x = 28,056,728.70 × 17,665,223.40
  4. Step 4: Simplify right side
    18,704,485.80x = 495,628,380,358,691.50
  5. Step 5: Solve for x
    x = 495,628,380,358,691.50/18,704,485.80
  6. Step 6: Final answer
    x = 26,497,835.10

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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.