Home / 15,355,135.10-21,190,087.32-8,480,060.03

Finding the Fourth Proportional to 15,355,135.10, 21,190,087.32 and 8,480,060.03

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Solution

The fourth proportional to 15,355,135.10, 21,190,087.32 and 8,480,060.03 is: 11,702,483.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,355,135.10 : 21,190,087.32 = 8,480,060.03 : x
  2. Step 2: Convert to fraction form
    15,355,135.10/21,190,087.32 = 8,480,060.03/x
  3. Step 3: Cross multiply
    15,355,135.10x = 21,190,087.32 × 8,480,060.03
  4. Step 4: Simplify right side
    15,355,135.10x = 179,693,212,535,716.84
  5. Step 5: Solve for x
    x = 179,693,212,535,716.84/15,355,135.10
  6. Step 6: Final answer
    x = 11,702,483.33

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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.