Home / 12,144,801.60-18,219,243.60-3,625,999.20

Finding the Fourth Proportional to 12,144,801.60, 18,219,243.60 and 3,625,999.20

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Solution

The fourth proportional to 12,144,801.60, 18,219,243.60 and 3,625,999.20 is: 5,439,608.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,144,801.60 : 18,219,243.60 = 3,625,999.20 : x
  2. Step 2: Convert to fraction form
    12,144,801.60/18,219,243.60 = 3,625,999.20/x
  3. Step 3: Cross multiply
    12,144,801.60x = 18,219,243.60 × 3,625,999.20
  4. Step 4: Simplify right side
    12,144,801.60x = 66,062,962,718,205.12
  5. Step 5: Solve for x
    x = 66,062,962,718,205.12/12,144,801.60
  6. Step 6: Final answer
    x = 5,439,608.23

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1.5x scale

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.