Home / 18,144,742.20-25,039,464.30-9,996,271.80

Finding the Fourth Proportional to 18,144,742.20, 25,039,464.30 and 9,996,271.80

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Solution

The fourth proportional to 18,144,742.20, 25,039,464.30 and 9,996,271.80 is: 13,794,700.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144,742.20 : 25,039,464.30 = 9,996,271.80 : x
  2. Step 2: Convert to fraction form
    18,144,742.20/25,039,464.30 = 9,996,271.80/x
  3. Step 3: Cross multiply
    18,144,742.20x = 25,039,464.30 × 9,996,271.80
  4. Step 4: Simplify right side
    18,144,742.20x = 250,301,290,869,196.78
  5. Step 5: Solve for x
    x = 250,301,290,869,196.78/18,144,742.20
  6. Step 6: Final answer
    x = 13,794,700.86

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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.