Home / 12,108,604.96-16,710,005.20-6,601,934.80

Finding the Fourth Proportional to 12,108,604.96, 16,710,005.20 and 6,601,934.80

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Solution

The fourth proportional to 12,108,604.96, 16,710,005.20 and 6,601,934.80 is: 9,110,741.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,108,604.96 : 16,710,005.20 = 6,601,934.80 : x
  2. Step 2: Convert to fraction form
    12,108,604.96/16,710,005.20 = 6,601,934.80/x
  3. Step 3: Cross multiply
    12,108,604.96x = 16,710,005.20 × 6,601,934.80
  4. Step 4: Simplify right side
    12,108,604.96x = 110,318,364,838,060.95
  5. Step 5: Solve for x
    x = 110,318,364,838,060.95/12,108,604.96
  6. Step 6: Final answer
    x = 9,110,741.10

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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.