Home / 38,308,304.50-52,866,576.66-20,905,770.67

Finding the Fourth Proportional to 38,308,304.50, 52,866,576.66 and 20,905,770.67

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Solution

The fourth proportional to 38,308,304.50, 52,866,576.66 and 20,905,770.67 is: 28,850,572.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,308,304.50 : 52,866,576.66 = 20,905,770.67 : x
  2. Step 2: Convert to fraction form
    38,308,304.50/52,866,576.66 = 20,905,770.67/x
  3. Step 3: Cross multiply
    38,308,304.50x = 52,866,576.66 × 20,905,770.67
  4. Step 4: Simplify right side
    38,308,304.50x = 1,105,216,527,761,934.62
  5. Step 5: Solve for x
    x = 1,105,216,527,761,934.62/38,308,304.50
  6. Step 6: Final answer
    x = 28,850,572.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.