Home / 12,251,285.40-18,376,928.10-11,693,272.35

Finding the Fourth Proportional to 12,251,285.40, 18,376,928.10 and 11,693,272.35

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Solution

The fourth proportional to 12,251,285.40, 18,376,928.10 and 11,693,272.35 is: 17,539,908.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,251,285.40 : 18,376,928.10 = 11,693,272.35 : x
  2. Step 2: Convert to fraction form
    12,251,285.40/18,376,928.10 = 11,693,272.35/x
  3. Step 3: Cross multiply
    12,251,285.40x = 18,376,928.10 × 11,693,272.35
  4. Step 4: Simplify right side
    12,251,285.40x = 214,886,425,229,668.03
  5. Step 5: Solve for x
    x = 214,886,425,229,668.03/12,251,285.40
  6. Step 6: Final answer
    x = 17,539,908.53

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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.