Home / 9,513,381.96-13,128,502.79-5,162,469.16

Finding the Fourth Proportional to 9,513,381.96, 13,128,502.79 and 5,162,469.16

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Solution

The fourth proportional to 9,513,381.96, 13,128,502.79 and 5,162,469.16 is: 7,124,226.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,513,381.96 : 13,128,502.79 = 5,162,469.16 : x
  2. Step 2: Convert to fraction form
    9,513,381.96/13,128,502.79 = 5,162,469.16/x
  3. Step 3: Cross multiply
    9,513,381.96x = 13,128,502.79 × 5,162,469.16
  4. Step 4: Simplify right side
    9,513,381.96x = 67,775,490,819,232.16
  5. Step 5: Solve for x
    x = 67,775,490,819,232.16/9,513,381.96
  6. Step 6: Final answer
    x = 7,124,226.81

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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.