Home / 20,301,603.06-28,017,983.76-11,136,017.28

Finding the Fourth Proportional to 20,301,603.06, 28,017,983.76 and 11,136,017.28

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Solution

The fourth proportional to 20,301,603.06, 28,017,983.76 and 11,136,017.28 is: 15,368,675.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,301,603.06 : 28,017,983.76 = 11,136,017.28 : x
  2. Step 2: Convert to fraction form
    20,301,603.06/28,017,983.76 = 11,136,017.28/x
  3. Step 3: Cross multiply
    20,301,603.06x = 28,017,983.76 × 11,136,017.28
  4. Step 4: Simplify right side
    20,301,603.06x = 312,008,751,302,119.38
  5. Step 5: Solve for x
    x = 312,008,751,302,119.38/20,301,603.06
  6. Step 6: Final answer
    x = 15,368,675.59

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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.