Home / 18,457,250.40-27,685,616.40-8,359,855.20

Finding the Fourth Proportional to 18,457,250.40, 27,685,616.40 and 8,359,855.20

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Solution

The fourth proportional to 18,457,250.40, 27,685,616.40 and 8,359,855.20 is: 12,539,665.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,457,250.40 : 27,685,616.40 = 8,359,855.20 : x
  2. Step 2: Convert to fraction form
    18,457,250.40/27,685,616.40 = 8,359,855.20/x
  3. Step 3: Cross multiply
    18,457,250.40x = 27,685,616.40 × 8,359,855.20
  4. Step 4: Simplify right side
    18,457,250.40x = 231,447,744,226,745.28
  5. Step 5: Solve for x
    x = 231,447,744,226,745.28/18,457,250.40
  6. Step 6: Final answer
    x = 12,539,665.40

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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.