Home / 12,000,658.50-16,560,952.35-6,494,032.80

Finding the Fourth Proportional to 12,000,658.50, 16,560,952.35 and 6,494,032.80

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Solution

The fourth proportional to 12,000,658.50, 16,560,952.35 and 6,494,032.80 is: 8,961,788.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,000,658.50 : 16,560,952.35 = 6,494,032.80 : x
  2. Step 2: Convert to fraction form
    12,000,658.50/16,560,952.35 = 6,494,032.80/x
  3. Step 3: Cross multiply
    12,000,658.50x = 16,560,952.35 × 6,494,032.80
  4. Step 4: Simplify right side
    12,000,658.50x = 107,547,367,760,137.08
  5. Step 5: Solve for x
    x = 107,547,367,760,137.08/12,000,658.50
  6. Step 6: Final answer
    x = 8,961,788.87

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1.5x scale

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.