Home / 18,403,218.80-27,604,828.20-8,325,522.80

Finding the Fourth Proportional to 18,403,218.80, 27,604,828.20 and 8,325,522.80

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Solution

The fourth proportional to 18,403,218.80, 27,604,828.20 and 8,325,522.80 is: 12,488,284.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,403,218.80 : 27,604,828.20 = 8,325,522.80 : x
  2. Step 2: Convert to fraction form
    18,403,218.80/27,604,828.20 = 8,325,522.80/x
  3. Step 3: Cross multiply
    18,403,218.80x = 27,604,828.20 × 8,325,522.80
  4. Step 4: Simplify right side
    18,403,218.80x = 229,824,626,569,182.94
  5. Step 5: Solve for x
    x = 229,824,626,569,182.94/18,403,218.80
  6. Step 6: Final answer
    x = 12,488,284.20

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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.