Home / 7,657,321.37-10,566,967.89-4,172,690.94

Finding the Fourth Proportional to 7,657,321.37, 10,566,967.89 and 4,172,690.94

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Solution

The fourth proportional to 7,657,321.37, 10,566,967.89 and 4,172,690.94 is: 5,758,239.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,657,321.37 : 10,566,967.89 = 4,172,690.94 : x
  2. Step 2: Convert to fraction form
    7,657,321.37/10,566,967.89 = 4,172,690.94/x
  3. Step 3: Cross multiply
    7,657,321.37x = 10,566,967.89 × 4,172,690.94
  4. Step 4: Simplify right side
    7,657,321.37x = 44,092,691,153,895.38
  5. Step 5: Solve for x
    x = 44,092,691,153,895.38/7,657,321.37
  6. Step 6: Final answer
    x = 5,758,239.61

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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.