Home / 27,218,116.80-40,827,175.20-18,148,190.40

Finding the Fourth Proportional to 27,218,116.80, 40,827,175.20 and 18,148,190.40

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Solution

The fourth proportional to 27,218,116.80, 40,827,175.20 and 18,148,190.40 is: 27,222,285.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,218,116.80 : 40,827,175.20 = 18,148,190.40 : x
  2. Step 2: Convert to fraction form
    27,218,116.80/40,827,175.20 = 18,148,190.40/x
  3. Step 3: Cross multiply
    27,218,116.80x = 40,827,175.20 × 18,148,190.40
  4. Step 4: Simplify right side
    27,218,116.80x = 740,939,349,023,758.12
  5. Step 5: Solve for x
    x = 740,939,349,023,758.12/27,218,116.80
  6. Step 6: Final answer
    x = 27,222,285.60

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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.