Home / 12,049,026.31-16,623,550.11-7,700,621.20

Finding the Fourth Proportional to 12,049,026.31, 16,623,550.11 and 7,700,621.20

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Solution

The fourth proportional to 12,049,026.31, 16,623,550.11 and 7,700,621.20 is: 10,624,232.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,049,026.31 : 16,623,550.11 = 7,700,621.20 : x
  2. Step 2: Convert to fraction form
    12,049,026.31/16,623,550.11 = 7,700,621.20/x
  3. Step 3: Cross multiply
    12,049,026.31x = 16,623,550.11 × 7,700,621.20
  4. Step 4: Simplify right side
    12,049,026.31x = 128,011,662,383,646.78
  5. Step 5: Solve for x
    x = 128,011,662,383,646.78/12,049,026.31
  6. Step 6: Final answer
    x = 10,624,232.95

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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.