Home / 8,315,382.35-12,470,908.38-3,520,603.55

Finding the Fourth Proportional to 8,315,382.35, 12,470,908.38 and 3,520,603.55

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Solution

The fourth proportional to 8,315,382.35, 12,470,908.38 and 3,520,603.55 is: 5,279,988.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,315,382.35 : 12,470,908.38 = 3,520,603.55 : x
  2. Step 2: Convert to fraction form
    8,315,382.35/12,470,908.38 = 3,520,603.55/x
  3. Step 3: Cross multiply
    8,315,382.35x = 12,470,908.38 × 3,520,603.55
  4. Step 4: Simplify right side
    8,315,382.35x = 43,905,124,314,352.75
  5. Step 5: Solve for x
    x = 43,905,124,314,352.75/8,315,382.35
  6. Step 6: Final answer
    x = 5,279,988.64

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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.