Home / 12,477,790.13-18,716,685.19-4,499,614.13

Finding the Fourth Proportional to 12,477,790.13, 18,716,685.19 and 4,499,614.13

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Solution

The fourth proportional to 12,477,790.13, 18,716,685.19 and 4,499,614.13 is: 6,749,421.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,477,790.13 : 18,716,685.19 = 4,499,614.13 : x
  2. Step 2: Convert to fraction form
    12,477,790.13/18,716,685.19 = 4,499,614.13/x
  3. Step 3: Cross multiply
    12,477,790.13x = 18,716,685.19 × 4,499,614.13
  4. Step 4: Simplify right side
    12,477,790.13x = 84,217,861,042,853.28
  5. Step 5: Solve for x
    x = 84,217,861,042,853.28/12,477,790.13
  6. Step 6: Final answer
    x = 6,749,421.19

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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.