Home / 38,908,568.09-53,694,034.21-21,267,494.93

Finding the Fourth Proportional to 38,908,568.09, 53,694,034.21 and 21,267,494.93

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Solution

The fourth proportional to 38,908,568.09, 53,694,034.21 and 21,267,494.93 is: 29,349,257.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,908,568.09 : 53,694,034.21 = 21,267,494.93 : x
  2. Step 2: Convert to fraction form
    38,908,568.09/53,694,034.21 = 21,267,494.93/x
  3. Step 3: Cross multiply
    38,908,568.09x = 53,694,034.21 × 21,267,494.93
  4. Step 4: Simplify right side
    38,908,568.09x = 1,141,937,600,493,241
  5. Step 5: Solve for x
    x = 1,141,937,600,493,241/38,908,568.09
  6. Step 6: Final answer
    x = 29,349,257.93

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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.