Home / 28,772,912.20-43,122,165-21,527,599.90

Finding the Fourth Proportional to 28,772,912.20, 43,122,165 and 21,527,599.90

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Solution

The fourth proportional to 28,772,912.20, 43,122,165 and 21,527,599.90 is: 32,263,564.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,772,912.20 : 43,122,165 = 21,527,599.90 : x
  2. Step 2: Convert to fraction form
    28,772,912.20/43,122,165 = 21,527,599.90/x
  3. Step 3: Cross multiply
    28,772,912.20x = 43,122,165 × 21,527,599.90
  4. Step 4: Simplify right side
    28,772,912.20x = 928,316,714,941,783.38
  5. Step 5: Solve for x
    x = 928,316,714,941,783.38/28,772,912.20
  6. Step 6: Final answer
    x = 32,263,564.72

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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.