Home / 7,423,131.94-10,240,282.04-6,441,693.82

Finding the Fourth Proportional to 7,423,131.94, 10,240,282.04 and 6,441,693.82

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Solution

The fourth proportional to 7,423,131.94, 10,240,282.04 and 6,441,693.82 is: 8,886,378.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,423,131.94 : 10,240,282.04 = 6,441,693.82 : x
  2. Step 2: Convert to fraction form
    7,423,131.94/10,240,282.04 = 6,441,693.82/x
  3. Step 3: Cross multiply
    7,423,131.94x = 10,240,282.04 × 6,441,693.82
  4. Step 4: Simplify right side
    7,423,131.94x = 65,964,761,474,315.82
  5. Step 5: Solve for x
    x = 65,964,761,474,315.82/7,423,131.94
  6. Step 6: Final answer
    x = 8,886,378.69

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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.