Home / 7,670,979.18-10,586,205.45-4,186,508.61

Finding the Fourth Proportional to 7,670,979.18, 10,586,205.45 and 4,186,508.61

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Solution

The fourth proportional to 7,670,979.18, 10,586,205.45 and 4,186,508.61 is: 5,777,520.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,670,979.18 : 10,586,205.45 = 4,186,508.61 : x
  2. Step 2: Convert to fraction form
    7,670,979.18/10,586,205.45 = 4,186,508.61/x
  3. Step 3: Cross multiply
    7,670,979.18x = 10,586,205.45 × 4,186,508.61
  4. Step 4: Simplify right side
    7,670,979.18x = 44,319,240,263,653.92
  5. Step 5: Solve for x
    x = 44,319,240,263,653.92/7,670,979.18
  6. Step 6: Final answer
    x = 5,777,520.60

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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.