Home / 8,530,699.20-12,796,048.80-8,477,555.10

Finding the Fourth Proportional to 8,530,699.20, 12,796,048.80 and 8,477,555.10

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Solution

The fourth proportional to 8,530,699.20, 12,796,048.80 and 8,477,555.10 is: 12,716,332.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,530,699.20 : 12,796,048.80 = 8,477,555.10 : x
  2. Step 2: Convert to fraction form
    8,530,699.20/12,796,048.80 = 8,477,555.10/x
  3. Step 3: Cross multiply
    8,530,699.20x = 12,796,048.80 × 8,477,555.10
  4. Step 4: Simplify right side
    8,530,699.20x = 108,479,208,764,288.88
  5. Step 5: Solve for x
    x = 108,479,208,764,288.88/8,530,699.20
  6. Step 6: Final answer
    x = 12,716,332.65

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Double scale
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Similar ratio
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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.