Home / 18,210,217.20-27,315,325.80-16,722,182.40

Finding the Fourth Proportional to 18,210,217.20, 27,315,325.80 and 16,722,182.40

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Solution

The fourth proportional to 18,210,217.20, 27,315,325.80 and 16,722,182.40 is: 25,083,273.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,210,217.20 : 27,315,325.80 = 16,722,182.40 : x
  2. Step 2: Convert to fraction form
    18,210,217.20/27,315,325.80 = 16,722,182.40/x
  3. Step 3: Cross multiply
    18,210,217.20x = 27,315,325.80 × 16,722,182.40
  4. Step 4: Simplify right side
    18,210,217.20x = 456,771,860,343,025.94
  5. Step 5: Solve for x
    x = 456,771,860,343,025.94/18,210,217.20
  6. Step 6: Final answer
    x = 25,083,273.60

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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.