Home / 13,819,419.72-19,071,208.62-7,707,717

Finding the Fourth Proportional to 13,819,419.72, 19,071,208.62 and 7,707,717

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Solution

The fourth proportional to 13,819,419.72, 19,071,208.62 and 7,707,717 is: 10,636,877.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,819,419.72 : 19,071,208.62 = 7,707,717 : x
  2. Step 2: Convert to fraction form
    13,819,419.72/19,071,208.62 = 7,707,717/x
  3. Step 3: Cross multiply
    13,819,419.72x = 19,071,208.62 × 7,707,717
  4. Step 4: Simplify right side
    13,819,419.72x = 146,995,478,890,920.56
  5. Step 5: Solve for x
    x = 146,995,478,890,920.56/13,819,419.72
  6. Step 6: Final answer
    x = 10,636,877.80

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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.