Home / 10,002,782.07-13,803,853.31-5,419,103.45

Finding the Fourth Proportional to 10,002,782.07, 13,803,853.31 and 5,419,103.45

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Solution

The fourth proportional to 10,002,782.07, 13,803,853.31 and 5,419,103.45 is: 7,478,370.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,002,782.07 : 13,803,853.31 = 5,419,103.45 : x
  2. Step 2: Convert to fraction form
    10,002,782.07/13,803,853.31 = 5,419,103.45/x
  3. Step 3: Cross multiply
    10,002,782.07x = 13,803,853.31 × 5,419,103.45
  4. Step 4: Simplify right side
    10,002,782.07x = 74,804,509,019,721.78
  5. Step 5: Solve for x
    x = 74,804,509,019,721.78/10,002,782.07
  6. Step 6: Final answer
    x = 7,478,370.37

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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.