Home / 19,324,687.60-28,987,031.40-18,379,903.60

Finding the Fourth Proportional to 19,324,687.60, 28,987,031.40 and 18,379,903.60

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Solution

The fourth proportional to 19,324,687.60, 28,987,031.40 and 18,379,903.60 is: 27,569,855.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,324,687.60 : 28,987,031.40 = 18,379,903.60 : x
  2. Step 2: Convert to fraction form
    19,324,687.60/28,987,031.40 = 18,379,903.60/x
  3. Step 3: Cross multiply
    19,324,687.60x = 28,987,031.40 × 18,379,903.60
  4. Step 4: Simplify right side
    19,324,687.60x = 532,778,842,782,173.06
  5. Step 5: Solve for x
    x = 532,778,842,782,173.06/19,324,687.60
  6. Step 6: Final answer
    x = 27,569,855.40

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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.