Home / 11,338,638.16-15,646,869.91-6,693,919.34

Finding the Fourth Proportional to 11,338,638.16, 15,646,869.91 and 6,693,919.34

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Solution

The fourth proportional to 11,338,638.16, 15,646,869.91 and 6,693,919.34 is: 9,237,342.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,338,638.16 : 15,646,869.91 = 6,693,919.34 : x
  2. Step 2: Convert to fraction form
    11,338,638.16/15,646,869.91 = 6,693,919.34/x
  3. Step 3: Cross multiply
    11,338,638.16x = 15,646,869.91 × 6,693,919.34
  4. Step 4: Simplify right side
    11,338,638.16x = 104,738,885,123,395.44
  5. Step 5: Solve for x
    x = 104,738,885,123,395.44/11,338,638.16
  6. Step 6: Final answer
    x = 9,237,342.58

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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.