Home / 7,618,540.86-10,513,889.64-4,180,904.91

Finding the Fourth Proportional to 7,618,540.86, 10,513,889.64 and 4,180,904.91

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Solution

The fourth proportional to 7,618,540.86, 10,513,889.64 and 4,180,904.91 is: 5,769,815.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,618,540.86 : 10,513,889.64 = 4,180,904.91 : x
  2. Step 2: Convert to fraction form
    7,618,540.86/10,513,889.64 = 4,180,904.91/x
  3. Step 3: Cross multiply
    7,618,540.86x = 10,513,889.64 × 4,180,904.91
  4. Step 4: Simplify right side
    7,618,540.86x = 43,957,572,819,074.13
  5. Step 5: Solve for x
    x = 43,957,572,819,074.13/7,618,540.86
  6. Step 6: Final answer
    x = 5,769,815.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.