Home / 15,603,873.55-21,535,629.98-8,987,190.27

Finding the Fourth Proportional to 15,603,873.55, 21,535,629.98 and 8,987,190.27

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Solution

The fourth proportional to 15,603,873.55, 21,535,629.98 and 8,987,190.27 is: 12,403,638.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,603,873.55 : 21,535,629.98 = 8,987,190.27 : x
  2. Step 2: Convert to fraction form
    15,603,873.55/21,535,629.98 = 8,987,190.27/x
  3. Step 3: Cross multiply
    15,603,873.55x = 21,535,629.98 × 8,987,190.27
  4. Step 4: Simplify right side
    15,603,873.55x = 193,544,804,088,881.72
  5. Step 5: Solve for x
    x = 193,544,804,088,881.72/15,603,873.55
  6. Step 6: Final answer
    x = 12,403,638.33

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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.