Home / 13,005,697.48-17,947,859.82-7,125,540.40

Finding the Fourth Proportional to 13,005,697.48, 17,947,859.82 and 7,125,540.40

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Solution

The fourth proportional to 13,005,697.48, 17,947,859.82 and 7,125,540.40 is: 9,833,244.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,005,697.48 : 17,947,859.82 = 7,125,540.40 : x
  2. Step 2: Convert to fraction form
    13,005,697.48/17,947,859.82 = 7,125,540.40/x
  3. Step 3: Cross multiply
    13,005,697.48x = 17,947,859.82 × 7,125,540.40
  4. Step 4: Simplify right side
    13,005,697.48x = 127,888,200,240,946.73
  5. Step 5: Solve for x
    x = 127,888,200,240,946.73/13,005,697.48
  6. Step 6: Final answer
    x = 9,833,244.27

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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.