Home / 38,109,284.89-52,591,291.46-20,705,920.75

Finding the Fourth Proportional to 38,109,284.89, 52,591,291.46 and 20,705,920.75

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Solution

The fourth proportional to 38,109,284.89, 52,591,291.46 and 20,705,920.75 is: 28,574,430.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,109,284.89 : 52,591,291.46 = 20,705,920.75 : x
  2. Step 2: Convert to fraction form
    38,109,284.89/52,591,291.46 = 20,705,920.75/x
  3. Step 3: Cross multiply
    38,109,284.89x = 52,591,291.46 × 20,705,920.75
  4. Step 4: Simplify right side
    38,109,284.89x = 1,088,951,113,110,911.88
  5. Step 5: Solve for x
    x = 1,088,951,113,110,911.88/38,109,284.89
  6. Step 6: Final answer
    x = 28,574,430.52

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Double scale
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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.