Home / 19,389,759-26,759,064.57-10,687,911.98

Finding the Fourth Proportional to 19,389,759, 26,759,064.57 and 10,687,911.98

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Solution

The fourth proportional to 19,389,759, 26,759,064.57 and 10,687,911.98 is: 14,749,978.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,389,759 : 26,759,064.57 = 10,687,911.98 : x
  2. Step 2: Convert to fraction form
    19,389,759/26,759,064.57 = 10,687,911.98/x
  3. Step 3: Cross multiply
    19,389,759x = 26,759,064.57 × 10,687,911.98
  4. Step 4: Simplify right side
    19,389,759x = 285,998,526,791,296.56
  5. Step 5: Solve for x
    x = 285,998,526,791,296.56/19,389,759
  6. Step 6: Final answer
    x = 14,749,978.42

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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.