Home / 13,891,865.52-19,177,438.56-9,765,433.92

Finding the Fourth Proportional to 13,891,865.52, 19,177,438.56 and 9,765,433.92

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Solution

The fourth proportional to 13,891,865.52, 19,177,438.56 and 9,765,433.92 is: 13,480,983.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,891,865.52 : 19,177,438.56 = 9,765,433.92 : x
  2. Step 2: Convert to fraction form
    13,891,865.52/19,177,438.56 = 9,765,433.92/x
  3. Step 3: Cross multiply
    13,891,865.52x = 19,177,438.56 × 9,765,433.92
  4. Step 4: Simplify right side
    13,891,865.52x = 187,276,009,012,539.94
  5. Step 5: Solve for x
    x = 187,276,009,012,539.94/13,891,865.52
  6. Step 6: Final answer
    x = 13,480,983.44

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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.