Home / 13,646,980.32-20,477,555.10-5,565,884.64

Finding the Fourth Proportional to 13,646,980.32, 20,477,555.10 and 5,565,884.64

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Solution

The fourth proportional to 13,646,980.32, 20,477,555.10 and 5,565,884.64 is: 8,351,716.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,646,980.32 : 20,477,555.10 = 5,565,884.64 : x
  2. Step 2: Convert to fraction form
    13,646,980.32/20,477,555.10 = 5,565,884.64/x
  3. Step 3: Cross multiply
    13,646,980.32x = 20,477,555.10 × 5,565,884.64
  4. Step 4: Simplify right side
    13,646,980.32x = 113,975,709,370,246.73
  5. Step 5: Solve for x
    x = 113,975,709,370,246.73/13,646,980.32
  6. Step 6: Final answer
    x = 8,351,716.40

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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.