Home / 18,534,056.80-27,801,085.20-5,758,477.60

Finding the Fourth Proportional to 18,534,056.80, 27,801,085.20 and 5,758,477.60

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Solution

The fourth proportional to 18,534,056.80, 27,801,085.20 and 5,758,477.60 is: 8,637,716.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,534,056.80 : 27,801,085.20 = 5,758,477.60 : x
  2. Step 2: Convert to fraction form
    18,534,056.80/27,801,085.20 = 5,758,477.60/x
  3. Step 3: Cross multiply
    18,534,056.80x = 27,801,085.20 × 5,758,477.60
  4. Step 4: Simplify right side
    18,534,056.80x = 160,091,926,379,891.50
  5. Step 5: Solve for x
    x = 160,091,926,379,891.50/18,534,056.80
  6. Step 6: Final answer
    x = 8,637,716.40

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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.