Home / 12,577,803.46-17,357,983.78-7,072,910.62

Finding the Fourth Proportional to 12,577,803.46, 17,357,983.78 and 7,072,910.62

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Solution

The fourth proportional to 12,577,803.46, 17,357,983.78 and 7,072,910.62 is: 9,760,962.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,577,803.46 : 17,357,983.78 = 7,072,910.62 : x
  2. Step 2: Convert to fraction form
    12,577,803.46/17,357,983.78 = 7,072,910.62/x
  3. Step 3: Cross multiply
    12,577,803.46x = 17,357,983.78 × 7,072,910.62
  4. Step 4: Simplify right side
    12,577,803.46x = 122,771,467,819,349.75
  5. Step 5: Solve for x
    x = 122,771,467,819,349.75/12,577,803.46
  6. Step 6: Final answer
    x = 9,760,962.49

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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.