Home / 14,200,324.90-21,300,487.35-12,446,569.60

Finding the Fourth Proportional to 14,200,324.90, 21,300,487.35 and 12,446,569.60

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Solution

The fourth proportional to 14,200,324.90, 21,300,487.35 and 12,446,569.60 is: 18,669,854.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,200,324.90 : 21,300,487.35 = 12,446,569.60 : x
  2. Step 2: Convert to fraction form
    14,200,324.90/21,300,487.35 = 12,446,569.60/x
  3. Step 3: Cross multiply
    14,200,324.90x = 21,300,487.35 × 12,446,569.60
  4. Step 4: Simplify right side
    14,200,324.90x = 265,117,998,315,694.56
  5. Step 5: Solve for x
    x = 265,117,998,315,694.56/14,200,324.90
  6. Step 6: Final answer
    x = 18,669,854.40

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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.