Home / 38,308,298.76-52,866,568.72-20,905,764.90

Finding the Fourth Proportional to 38,308,298.76, 52,866,568.72 and 20,905,764.90

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Solution

The fourth proportional to 38,308,298.76, 52,866,568.72 and 20,905,764.90 is: 28,850,564.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,308,298.76 : 52,866,568.72 = 20,905,764.90 : x
  2. Step 2: Convert to fraction form
    38,308,298.76/52,866,568.72 = 20,905,764.90/x
  3. Step 3: Cross multiply
    38,308,298.76x = 52,866,568.72 × 20,905,764.90
  4. Step 4: Simplify right side
    38,308,298.76x = 1,105,216,056,730,013.88
  5. Step 5: Solve for x
    x = 1,105,216,056,730,013.88/38,308,298.76
  6. Step 6: Final answer
    x = 28,850,564.83

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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.