Home / 20,417,458.64-30,630,728.96-8,904,787.44

Finding the Fourth Proportional to 20,417,458.64, 30,630,728.96 and 8,904,787.44

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Solution

The fourth proportional to 20,417,458.64, 30,630,728.96 and 8,904,787.44 is: 13,359,161.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,417,458.64 : 30,630,728.96 = 8,904,787.44 : x
  2. Step 2: Convert to fraction form
    20,417,458.64/30,630,728.96 = 8,904,787.44/x
  3. Step 3: Cross multiply
    20,417,458.64x = 30,630,728.96 × 8,904,787.44
  4. Step 4: Simplify right side
    20,417,458.64x = 272,760,130,521,052.25
  5. Step 5: Solve for x
    x = 272,760,130,521,052.25/20,417,458.64
  6. Step 6: Final answer
    x = 13,359,161.65

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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.