Home / 8,671,530.80-13,004,234.40-2,990,433.80

Finding the Fourth Proportional to 8,671,530.80, 13,004,234.40 and 2,990,433.80

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Solution

The fourth proportional to 8,671,530.80, 13,004,234.40 and 2,990,433.80 is: 4,484,594.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,671,530.80 : 13,004,234.40 = 2,990,433.80 : x
  2. Step 2: Convert to fraction form
    8,671,530.80/13,004,234.40 = 2,990,433.80/x
  3. Step 3: Cross multiply
    8,671,530.80x = 13,004,234.40 × 2,990,433.80
  4. Step 4: Simplify right side
    8,671,530.80x = 38,888,302,092,882.72
  5. Step 5: Solve for x
    x = 38,888,302,092,882.72/8,671,530.80
  6. Step 6: Final answer
    x = 4,484,594.82

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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.