Home / 13,253,721.06-19,854,600.03-6,868,162.20

Finding the Fourth Proportional to 13,253,721.06, 19,854,600.03 and 6,868,162.20

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Solution

The fourth proportional to 13,253,721.06, 19,854,600.03 and 6,868,162.20 is: 10,288,779.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,253,721.06 : 19,854,600.03 = 6,868,162.20 : x
  2. Step 2: Convert to fraction form
    13,253,721.06/19,854,600.03 = 6,868,162.20/x
  3. Step 3: Cross multiply
    13,253,721.06x = 19,854,600.03 × 6,868,162.20
  4. Step 4: Simplify right side
    13,253,721.06x = 136,364,613,422,164.88
  5. Step 5: Solve for x
    x = 136,364,613,422,164.88/13,253,721.06
  6. Step 6: Final answer
    x = 10,288,779.49

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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.