Home / 27,558,770.52-38,037,853.08-21,351,539.64

Finding the Fourth Proportional to 27,558,770.52, 38,037,853.08 and 21,351,539.64

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Solution

The fourth proportional to 27,558,770.52, 38,037,853.08 and 21,351,539.64 is: 29,470,354.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,558,770.52 : 38,037,853.08 = 21,351,539.64 : x
  2. Step 2: Convert to fraction form
    27,558,770.52/38,037,853.08 = 21,351,539.64/x
  3. Step 3: Cross multiply
    27,558,770.52x = 38,037,853.08 × 21,351,539.64
  4. Step 4: Simplify right side
    27,558,770.52x = 812,166,727,858,116.12
  5. Step 5: Solve for x
    x = 812,166,727,858,116.12/27,558,770.52
  6. Step 6: Final answer
    x = 29,470,354.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.