Home / 8,230,029.24-12,364,017.30-7,889,912.76

Finding the Fourth Proportional to 8,230,029.24, 12,364,017.30 and 7,889,912.76

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Solution

The fourth proportional to 8,230,029.24, 12,364,017.30 and 7,889,912.76 is: 11,853,058.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,230,029.24 : 12,364,017.30 = 7,889,912.76 : x
  2. Step 2: Convert to fraction form
    8,230,029.24/12,364,017.30 = 7,889,912.76/x
  3. Step 3: Cross multiply
    8,230,029.24x = 12,364,017.30 × 7,889,912.76
  4. Step 4: Simplify right side
    8,230,029.24x = 97,551,017,860,130.75
  5. Step 5: Solve for x
    x = 97,551,017,860,130.75/8,230,029.24
  6. Step 6: Final answer
    x = 11,853,058.48

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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.