Home / 7,040,632.50-9,714,406.86-3,984,846.84

Finding the Fourth Proportional to 7,040,632.50, 9,714,406.86 and 3,984,846.84

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Solution

The fourth proportional to 7,040,632.50, 9,714,406.86 and 3,984,846.84 is: 5,498,145.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,040,632.50 : 9,714,406.86 = 3,984,846.84 : x
  2. Step 2: Convert to fraction form
    7,040,632.50/9,714,406.86 = 3,984,846.84/x
  3. Step 3: Cross multiply
    7,040,632.50x = 9,714,406.86 × 3,984,846.84
  4. Step 4: Simplify right side
    7,040,632.50x = 38,710,423,478,545.32
  5. Step 5: Solve for x
    x = 38,710,423,478,545.32/7,040,632.50
  6. Step 6: Final answer
    x = 5,498,145.72

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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.