Home / 13,347,922.80-20,021,741.32-10,129,232.80

Finding the Fourth Proportional to 13,347,922.80, 20,021,741.32 and 10,129,232.80

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Solution

The fourth proportional to 13,347,922.80, 20,021,741.32 and 10,129,232.80 is: 15,193,740.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,347,922.80 : 20,021,741.32 = 10,129,232.80 : x
  2. Step 2: Convert to fraction form
    13,347,922.80/20,021,741.32 = 10,129,232.80/x
  3. Step 3: Cross multiply
    13,347,922.80x = 20,021,741.32 × 10,129,232.80
  4. Step 4: Simplify right side
    13,347,922.80x = 202,804,878,891,659.31
  5. Step 5: Solve for x
    x = 202,804,878,891,659.31/13,347,922.80
  6. Step 6: Final answer
    x = 15,193,740.77

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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.