Home / 7,328,267.30-10,992,400.95-5,415,079.70

Finding the Fourth Proportional to 7,328,267.30, 10,992,400.95 and 5,415,079.70

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Solution

The fourth proportional to 7,328,267.30, 10,992,400.95 and 5,415,079.70 is: 8,122,619.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,328,267.30 : 10,992,400.95 = 5,415,079.70 : x
  2. Step 2: Convert to fraction form
    7,328,267.30/10,992,400.95 = 5,415,079.70/x
  3. Step 3: Cross multiply
    7,328,267.30x = 10,992,400.95 × 5,415,079.70
  4. Step 4: Simplify right side
    7,328,267.30x = 59,524,727,238,605.71
  5. Step 5: Solve for x
    x = 59,524,727,238,605.71/7,328,267.30
  6. Step 6: Final answer
    x = 8,122,619.55

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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.