Home / 18,376,970.40-27,565,455.60-12,330,352.80

Finding the Fourth Proportional to 18,376,970.40, 27,565,455.60 and 12,330,352.80

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Solution

The fourth proportional to 18,376,970.40, 27,565,455.60 and 12,330,352.80 is: 18,495,529.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,376,970.40 : 27,565,455.60 = 12,330,352.80 : x
  2. Step 2: Convert to fraction form
    18,376,970.40/27,565,455.60 = 12,330,352.80/x
  3. Step 3: Cross multiply
    18,376,970.40x = 27,565,455.60 × 12,330,352.80
  4. Step 4: Simplify right side
    18,376,970.40x = 339,891,792,640,735.75
  5. Step 5: Solve for x
    x = 339,891,792,640,735.75/18,376,970.40
  6. Step 6: Final answer
    x = 18,495,529.20

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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.