Home / 11,005,378.80-16,508,068.20-3,432,332.40

Finding the Fourth Proportional to 11,005,378.80, 16,508,068.20 and 3,432,332.40

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Solution

The fourth proportional to 11,005,378.80, 16,508,068.20 and 3,432,332.40 is: 5,148,498.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,005,378.80 : 16,508,068.20 = 3,432,332.40 : x
  2. Step 2: Convert to fraction form
    11,005,378.80/16,508,068.20 = 3,432,332.40/x
  3. Step 3: Cross multiply
    11,005,378.80x = 16,508,068.20 × 3,432,332.40
  4. Step 4: Simplify right side
    11,005,378.80x = 56,661,177,344,269.68
  5. Step 5: Solve for x
    x = 56,661,177,344,269.68/11,005,378.80
  6. Step 6: Final answer
    x = 5,148,498.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.