Home / 13,320,056.40-18,385,230.33-7,522,231.92

Finding the Fourth Proportional to 13,320,056.40, 18,385,230.33 and 7,522,231.92

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Solution

The fourth proportional to 13,320,056.40, 18,385,230.33 and 7,522,231.92 is: 10,382,686.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,320,056.40 : 18,385,230.33 = 7,522,231.92 : x
  2. Step 2: Convert to fraction form
    13,320,056.40/18,385,230.33 = 7,522,231.92/x
  3. Step 3: Cross multiply
    13,320,056.40x = 18,385,230.33 × 7,522,231.92
  4. Step 4: Simplify right side
    13,320,056.40x = 138,297,966,444,878.12
  5. Step 5: Solve for x
    x = 138,297,966,444,878.12/13,320,056.40
  6. Step 6: Final answer
    x = 10,382,686.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.