Home / 12,392,057.16-17,100,983.52-6,886,328.40

Finding the Fourth Proportional to 12,392,057.16, 17,100,983.52 and 6,886,328.40

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Solution

The fourth proportional to 12,392,057.16, 17,100,983.52 and 6,886,328.40 is: 9,503,102.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,392,057.16 : 17,100,983.52 = 6,886,328.40 : x
  2. Step 2: Convert to fraction form
    12,392,057.16/17,100,983.52 = 6,886,328.40/x
  3. Step 3: Cross multiply
    12,392,057.16x = 17,100,983.52 × 6,886,328.40
  4. Step 4: Simplify right side
    12,392,057.16x = 117,762,988,481,707.97
  5. Step 5: Solve for x
    x = 117,762,988,481,707.97/12,392,057.16
  6. Step 6: Final answer
    x = 9,503,102.43

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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.