Home / 18,122,486.40-27,183,729.60-17,425,756.80

Finding the Fourth Proportional to 18,122,486.40, 27,183,729.60 and 17,425,756.80

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Solution

The fourth proportional to 18,122,486.40, 27,183,729.60 and 17,425,756.80 is: 26,138,635.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,122,486.40 : 27,183,729.60 = 17,425,756.80 : x
  2. Step 2: Convert to fraction form
    18,122,486.40/27,183,729.60 = 17,425,756.80/x
  3. Step 3: Cross multiply
    18,122,486.40x = 27,183,729.60 × 17,425,756.80
  4. Step 4: Simplify right side
    18,122,486.40x = 473,697,060,926,561.31
  5. Step 5: Solve for x
    x = 473,697,060,926,561.31/18,122,486.40
  6. Step 6: Final answer
    x = 26,138,635.20

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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.