Home / 14,997,212.56-20,696,045.16-8,121,535.12

Finding the Fourth Proportional to 14,997,212.56, 20,696,045.16 and 8,121,535.12

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Solution

The fourth proportional to 14,997,212.56, 20,696,045.16 and 8,121,535.12 is: 11,207,659.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,997,212.56 : 20,696,045.16 = 8,121,535.12 : x
  2. Step 2: Convert to fraction form
    14,997,212.56/20,696,045.16 = 8,121,535.12/x
  3. Step 3: Cross multiply
    14,997,212.56x = 20,696,045.16 × 8,121,535.12
  4. Step 4: Simplify right side
    14,997,212.56x = 168,083,657,612,046.03
  5. Step 5: Solve for x
    x = 168,083,657,612,046.03/14,997,212.56
  6. Step 6: Final answer
    x = 11,207,659.89

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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.