Home / 11,439,021.51-17,158,518.48-2,919,358.89

Finding the Fourth Proportional to 11,439,021.51, 17,158,518.48 and 2,919,358.89

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Solution

The fourth proportional to 11,439,021.51, 17,158,518.48 and 2,919,358.89 is: 4,379,034.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,439,021.51 : 17,158,518.48 = 2,919,358.89 : x
  2. Step 2: Convert to fraction form
    11,439,021.51/17,158,518.48 = 2,919,358.89/x
  3. Step 3: Cross multiply
    11,439,021.51x = 17,158,518.48 × 2,919,358.89
  4. Step 4: Simplify right side
    11,439,021.51x = 50,091,873,463,817.29
  5. Step 5: Solve for x
    x = 50,091,873,463,817.29/11,439,021.51
  6. Step 6: Final answer
    x = 4,379,034.82

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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.