Home / 9,179,688.96-12,667,790.88-5,105,220.48

Finding the Fourth Proportional to 9,179,688.96, 12,667,790.88 and 5,105,220.48

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Solution

The fourth proportional to 9,179,688.96, 12,667,790.88 and 5,105,220.48 is: 7,045,104.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,179,688.96 : 12,667,790.88 = 5,105,220.48 : x
  2. Step 2: Convert to fraction form
    9,179,688.96/12,667,790.88 = 5,105,220.48/x
  3. Step 3: Cross multiply
    9,179,688.96x = 12,667,790.88 × 5,105,220.48
  4. Step 4: Simplify right side
    9,179,688.96x = 64,671,865,436,933.23
  5. Step 5: Solve for x
    x = 64,671,865,436,933.23/9,179,688.96
  6. Step 6: Final answer
    x = 7,045,104.22

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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.