Home / 39,098,416.64-53,956,186.97-21,696,381.09

Finding the Fourth Proportional to 39,098,416.64, 53,956,186.97 and 21,696,381.09

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Solution

The fourth proportional to 39,098,416.64, 53,956,186.97 and 21,696,381.09 is: 29,941,212.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,098,416.64 : 53,956,186.97 = 21,696,381.09 : x
  2. Step 2: Convert to fraction form
    39,098,416.64/53,956,186.97 = 21,696,381.09/x
  3. Step 3: Cross multiply
    39,098,416.64x = 53,956,186.97 × 21,696,381.09
  4. Step 4: Simplify right side
    39,098,416.64x = 1,170,653,994,555,930.50
  5. Step 5: Solve for x
    x = 1,170,653,994,555,930.50/39,098,416.64
  6. Step 6: Final answer
    x = 29,941,212.34

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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.