Home / 14,890,286.89-20,549,094.87-8,275,154.12

Finding the Fourth Proportional to 14,890,286.89, 20,549,094.87 and 8,275,154.12

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Solution

The fourth proportional to 14,890,286.89, 20,549,094.87 and 8,275,154.12 is: 11,419,989.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,890,286.89 : 20,549,094.87 = 8,275,154.12 : x
  2. Step 2: Convert to fraction form
    14,890,286.89/20,549,094.87 = 8,275,154.12/x
  3. Step 3: Cross multiply
    14,890,286.89x = 20,549,094.87 × 8,275,154.12
  4. Step 4: Simplify right side
    14,890,286.89x = 170,046,926,973,005.91
  5. Step 5: Solve for x
    x = 170,046,926,973,005.91/14,890,286.89
  6. Step 6: Final answer
    x = 11,419,989.97

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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.