Home / 12,577,784.64-17,357,957.82-7,072,891.80

Finding the Fourth Proportional to 12,577,784.64, 17,357,957.82 and 7,072,891.80

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Solution

The fourth proportional to 12,577,784.64, 17,357,957.82 and 7,072,891.80 is: 9,760,936.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,577,784.64 : 17,357,957.82 = 7,072,891.80 : x
  2. Step 2: Convert to fraction form
    12,577,784.64/17,357,957.82 = 7,072,891.80/x
  3. Step 3: Cross multiply
    12,577,784.64x = 17,357,957.82 × 7,072,891.80
  4. Step 4: Simplify right side
    12,577,784.64x = 122,770,957,529,823.88
  5. Step 5: Solve for x
    x = 122,770,957,529,823.88/12,577,784.64
  6. Step 6: Final answer
    x = 9,760,936.53

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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.