Home / 12,079,393.31-16,669,562.77-6,646,885.31

Finding the Fourth Proportional to 12,079,393.31, 16,669,562.77 and 6,646,885.31

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Solution

The fourth proportional to 12,079,393.31, 16,669,562.77 and 6,646,885.31 is: 9,172,701.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,079,393.31 : 16,669,562.77 = 6,646,885.31 : x
  2. Step 2: Convert to fraction form
    12,079,393.31/16,669,562.77 = 6,646,885.31/x
  3. Step 3: Cross multiply
    12,079,393.31x = 16,669,562.77 × 6,646,885.31
  4. Step 4: Simplify right side
    12,079,393.31x = 110,800,671,950,018.42
  5. Step 5: Solve for x
    x = 110,800,671,950,018.42/12,079,393.31
  6. Step 6: Final answer
    x = 9,172,701.73

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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.