Home / 12,321,008.92-16,996,166.40-7,163,800.48

Finding the Fourth Proportional to 12,321,008.92, 16,996,166.40 and 7,163,800.48

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Solution

The fourth proportional to 12,321,008.92, 16,996,166.40 and 7,163,800.48 is: 9,882,075.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,321,008.92 : 16,996,166.40 = 7,163,800.48 : x
  2. Step 2: Convert to fraction form
    12,321,008.92/16,996,166.40 = 7,163,800.48/x
  3. Step 3: Cross multiply
    12,321,008.92x = 16,996,166.40 × 7,163,800.48
  4. Step 4: Simplify right side
    12,321,008.92x = 121,757,145,014,479.88
  5. Step 5: Solve for x
    x = 121,757,145,014,479.88/12,321,008.92
  6. Step 6: Final answer
    x = 9,882,075.88

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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.