Home / 16,401,140.20-24,601,710.30-7,879,421.80

Finding the Fourth Proportional to 16,401,140.20, 24,601,710.30 and 7,879,421.80

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Solution

The fourth proportional to 16,401,140.20, 24,601,710.30 and 7,879,421.80 is: 11,819,132.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,401,140.20 : 24,601,710.30 = 7,879,421.80 : x
  2. Step 2: Convert to fraction form
    16,401,140.20/24,601,710.30 = 7,879,421.80/x
  3. Step 3: Cross multiply
    16,401,140.20x = 24,601,710.30 × 7,879,421.80
  4. Step 4: Simplify right side
    16,401,140.20x = 193,847,252,455,104.53
  5. Step 5: Solve for x
    x = 193,847,252,455,104.53/16,401,140.20
  6. Step 6: Final answer
    x = 11,819,132.70

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Double scale
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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.