Home / 7,950,309.70-11,931,400.24-5,905,691.64

Finding the Fourth Proportional to 7,950,309.70, 11,931,400.24 and 5,905,691.64

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Solution

The fourth proportional to 7,950,309.70, 11,931,400.24 and 5,905,691.64 is: 8,862,946.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,950,309.70 : 11,931,400.24 = 5,905,691.64 : x
  2. Step 2: Convert to fraction form
    7,950,309.70/11,931,400.24 = 5,905,691.64/x
  3. Step 3: Cross multiply
    7,950,309.70x = 11,931,400.24 × 5,905,691.64
  4. Step 4: Simplify right side
    7,950,309.70x = 70,463,170,650,861.98
  5. Step 5: Solve for x
    x = 70,463,170,650,861.98/7,950,309.70
  6. Step 6: Final answer
    x = 8,862,946.64

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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.