Home / 9,050,840.69-12,490,405.07-4,921,149.09

Finding the Fourth Proportional to 9,050,840.69, 12,490,405.07 and 4,921,149.09

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Solution

The fourth proportional to 9,050,840.69, 12,490,405.07 and 4,921,149.09 is: 6,791,318.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,050,840.69 : 12,490,405.07 = 4,921,149.09 : x
  2. Step 2: Convert to fraction form
    9,050,840.69/12,490,405.07 = 4,921,149.09/x
  3. Step 3: Cross multiply
    9,050,840.69x = 12,490,405.07 × 4,921,149.09
  4. Step 4: Simplify right side
    9,050,840.69x = 61,467,145,543,961.88
  5. Step 5: Solve for x
    x = 61,467,145,543,961.88/9,050,840.69
  6. Step 6: Final answer
    x = 6,791,318.91

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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.