Home / 18,429,511.50-27,622,742.31-13,865,898.60

Finding the Fourth Proportional to 18,429,511.50, 27,622,742.31 and 13,865,898.60

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Solution

The fourth proportional to 18,429,511.50, 27,622,742.31 and 13,865,898.60 is: 20,782,653.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,429,511.50 : 27,622,742.31 = 13,865,898.60 : x
  2. Step 2: Convert to fraction form
    18,429,511.50/27,622,742.31 = 13,865,898.60/x
  3. Step 3: Cross multiply
    18,429,511.50x = 27,622,742.31 × 13,865,898.60
  4. Step 4: Simplify right side
    18,429,511.50x = 383,014,143,924,389.75
  5. Step 5: Solve for x
    x = 383,014,143,924,389.75/18,429,511.50
  6. Step 6: Final answer
    x = 20,782,653.08

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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.