Home / 38,113,722.73-52,596,822.86-20,710,121.05

Finding the Fourth Proportional to 38,113,722.73, 52,596,822.86 and 20,710,121.05

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Solution

The fourth proportional to 38,113,722.73, 52,596,822.86 and 20,710,121.05 is: 28,579,904.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,113,722.73 : 52,596,822.86 = 20,710,121.05 : x
  2. Step 2: Convert to fraction form
    38,113,722.73/52,596,822.86 = 20,710,121.05/x
  3. Step 3: Cross multiply
    38,113,722.73x = 52,596,822.86 × 20,710,121.05
  4. Step 4: Simplify right side
    38,113,722.73x = 1,089,286,568,276,007.25
  5. Step 5: Solve for x
    x = 1,089,286,568,276,007.25/38,113,722.73
  6. Step 6: Final answer
    x = 28,579,904.83

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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.