Home / 8,213,503.91-12,319,314.57-2,148,820.88

Finding the Fourth Proportional to 8,213,503.91, 12,319,314.57 and 2,148,820.88

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Solution

The fourth proportional to 8,213,503.91, 12,319,314.57 and 2,148,820.88 is: 3,222,985.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,213,503.91 : 12,319,314.57 = 2,148,820.88 : x
  2. Step 2: Convert to fraction form
    8,213,503.91/12,319,314.57 = 2,148,820.88/x
  3. Step 3: Cross multiply
    8,213,503.91x = 12,319,314.57 × 2,148,820.88
  4. Step 4: Simplify right side
    8,213,503.91x = 26,472,000,313,707.65
  5. Step 5: Solve for x
    x = 26,472,000,313,707.65/8,213,503.91
  6. Step 6: Final answer
    x = 3,222,985.05

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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.