Home / 12,921,227.67-17,832,157.68-7,120,009.23

Finding the Fourth Proportional to 12,921,227.67, 17,832,157.68 and 7,120,009.23

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Solution

The fourth proportional to 12,921,227.67, 17,832,157.68 and 7,120,009.23 is: 9,826,088.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,921,227.67 : 17,832,157.68 = 7,120,009.23 : x
  2. Step 2: Convert to fraction form
    12,921,227.67/17,832,157.68 = 7,120,009.23/x
  3. Step 3: Cross multiply
    12,921,227.67x = 17,832,157.68 × 7,120,009.23
  4. Step 4: Simplify right side
    12,921,227.67x = 126,965,127,272,415.39
  5. Step 5: Solve for x
    x = 126,965,127,272,415.39/12,921,227.67
  6. Step 6: Final answer
    x = 9,826,088.55

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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.