Home / 19,207,955.79-28,811,983.03-7,848,404.42

Finding the Fourth Proportional to 19,207,955.79, 28,811,983.03 and 7,848,404.42

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Solution

The fourth proportional to 19,207,955.79, 28,811,983.03 and 7,848,404.42 is: 11,772,626.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,207,955.79 : 28,811,983.03 = 7,848,404.42 : x
  2. Step 2: Convert to fraction form
    19,207,955.79/28,811,983.03 = 7,848,404.42/x
  3. Step 3: Cross multiply
    19,207,955.79x = 28,811,983.03 × 7,848,404.42
  4. Step 4: Simplify right side
    19,207,955.79x = 226,128,094,797,936.06
  5. Step 5: Solve for x
    x = 226,128,094,797,936.06/19,207,955.79
  6. Step 6: Final answer
    x = 11,772,626.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.