Home / 8,290,189.32-12,435,727.74-2,610,855.88

Finding the Fourth Proportional to 8,290,189.32, 12,435,727.74 and 2,610,855.88

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Solution

The fourth proportional to 8,290,189.32, 12,435,727.74 and 2,610,855.88 is: 3,916,423.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,290,189.32 : 12,435,727.74 = 2,610,855.88 : x
  2. Step 2: Convert to fraction form
    8,290,189.32/12,435,727.74 = 2,610,855.88/x
  3. Step 3: Cross multiply
    8,290,189.32x = 12,435,727.74 × 2,610,855.88
  4. Step 4: Simplify right side
    8,290,189.32x = 32,467,892,892,058.11
  5. Step 5: Solve for x
    x = 32,467,892,892,058.11/8,290,189.32
  6. Step 6: Final answer
    x = 3,916,423.57

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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.