Home / 11,157,317.71-16,728,336.18-5,681,813.54

Finding the Fourth Proportional to 11,157,317.71, 16,728,336.18 and 5,681,813.54

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Solution

The fourth proportional to 11,157,317.71, 16,728,336.18 and 5,681,813.54 is: 8,518,829.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,157,317.71 : 16,728,336.18 = 5,681,813.54 : x
  2. Step 2: Convert to fraction form
    11,157,317.71/16,728,336.18 = 5,681,813.54/x
  3. Step 3: Cross multiply
    11,157,317.71x = 16,728,336.18 × 5,681,813.54
  4. Step 4: Simplify right side
    11,157,317.71x = 95,047,286,925,554.20
  5. Step 5: Solve for x
    x = 95,047,286,925,554.20/11,157,317.71
  6. Step 6: Final answer
    x = 8,518,829.47

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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.