Home / 21,202,234.40-31,803,351.60-14,483,770.40

Finding the Fourth Proportional to 21,202,234.40, 31,803,351.60 and 14,483,770.40

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Solution

The fourth proportional to 21,202,234.40, 31,803,351.60 and 14,483,770.40 is: 21,725,655.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,202,234.40 : 31,803,351.60 = 14,483,770.40 : x
  2. Step 2: Convert to fraction form
    21,202,234.40/31,803,351.60 = 14,483,770.40/x
  3. Step 3: Cross multiply
    21,202,234.40x = 31,803,351.60 × 14,483,770.40
  4. Step 4: Simplify right side
    21,202,234.40x = 460,632,442,524,872.69
  5. Step 5: Solve for x
    x = 460,632,442,524,872.69/21,202,234.40
  6. Step 6: Final answer
    x = 21,725,655.60

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Similar ratio
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1.5x scale

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.