Home / 20,301,548.34-28,017,908.58-11,135,962.56

Finding the Fourth Proportional to 20,301,548.34, 28,017,908.58 and 11,135,962.56

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Solution

The fourth proportional to 20,301,548.34, 28,017,908.58 and 11,135,962.56 is: 15,368,600.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,301,548.34 : 28,017,908.58 = 11,135,962.56 : x
  2. Step 2: Convert to fraction form
    20,301,548.34/28,017,908.58 = 11,135,962.56/x
  3. Step 3: Cross multiply
    20,301,548.34x = 28,017,908.58 × 11,135,962.56
  4. Step 4: Simplify right side
    20,301,548.34x = 312,006,380,956,382.75
  5. Step 5: Solve for x
    x = 312,006,380,956,382.75/20,301,548.34
  6. Step 6: Final answer
    x = 15,368,600.25

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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.