Home / 47,440,479.64-71,146,759.80-21,517,783.96

Finding the Fourth Proportional to 47,440,479.64, 71,146,759.80 and 21,517,783.96

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Solution

The fourth proportional to 47,440,479.64, 71,146,759.80 and 21,517,783.96 is: 32,270,344.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,440,479.64 : 71,146,759.80 = 21,517,783.96 : x
  2. Step 2: Convert to fraction form
    47,440,479.64/71,146,759.80 = 21,517,783.96/x
  3. Step 3: Cross multiply
    47,440,479.64x = 71,146,759.80 × 21,517,783.96
  4. Step 4: Simplify right side
    47,440,479.64x = 1,530,920,606,830,412.75
  5. Step 5: Solve for x
    x = 1,530,920,606,830,412.75/47,440,479.64
  6. Step 6: Final answer
    x = 32,270,344.20

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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.