Home / 12,000,655.49-16,560,948.20-6,494,029.79

Finding the Fourth Proportional to 12,000,655.49, 16,560,948.20 and 6,494,029.79

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Solution

The fourth proportional to 12,000,655.49, 16,560,948.20 and 6,494,029.79 is: 8,961,784.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,000,655.49 : 16,560,948.20 = 6,494,029.79 : x
  2. Step 2: Convert to fraction form
    12,000,655.49/16,560,948.20 = 6,494,029.79/x
  3. Step 3: Cross multiply
    12,000,655.49x = 16,560,948.20 × 6,494,029.79
  4. Step 4: Simplify right side
    12,000,655.49x = 107,547,290,846,172
  5. Step 5: Solve for x
    x = 107,547,290,846,172/12,000,655.49
  6. Step 6: Final answer
    x = 8,961,784.71

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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.