Home / 18,687,212.60-28,030,818.90-18,372,284.60

Finding the Fourth Proportional to 18,687,212.60, 28,030,818.90 and 18,372,284.60

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Solution

The fourth proportional to 18,687,212.60, 28,030,818.90 and 18,372,284.60 is: 27,558,426.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,687,212.60 : 28,030,818.90 = 18,372,284.60 : x
  2. Step 2: Convert to fraction form
    18,687,212.60/28,030,818.90 = 18,372,284.60/x
  3. Step 3: Cross multiply
    18,687,212.60x = 28,030,818.90 × 18,372,284.60
  4. Step 4: Simplify right side
    18,687,212.60x = 514,990,182,401,858.94
  5. Step 5: Solve for x
    x = 514,990,182,401,858.94/18,687,212.60
  6. Step 6: Final answer
    x = 27,558,426.90

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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.