Home / 8,213,505.90-12,319,317.56-2,148,822.88

Finding the Fourth Proportional to 8,213,505.90, 12,319,317.56 and 2,148,822.88

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Solution

The fourth proportional to 8,213,505.90, 12,319,317.56 and 2,148,822.88 is: 3,222,988.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,213,505.90 : 12,319,317.56 = 2,148,822.88 : x
  2. Step 2: Convert to fraction form
    8,213,505.90/12,319,317.56 = 2,148,822.88/x
  3. Step 3: Cross multiply
    8,213,505.90x = 12,319,317.56 × 2,148,822.88
  4. Step 4: Simplify right side
    8,213,505.90x = 26,472,031,438,913.77
  5. Step 5: Solve for x
    x = 26,472,031,438,913.77/8,213,505.90
  6. Step 6: Final answer
    x = 3,222,988.06

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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.