Home / 12,643,480.98-18,965,270.67-3,058,844.13

Finding the Fourth Proportional to 12,643,480.98, 18,965,270.67 and 3,058,844.13

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Solution

The fourth proportional to 12,643,480.98, 18,965,270.67 and 3,058,844.13 is: 4,588,278.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,643,480.98 : 18,965,270.67 = 3,058,844.13 : x
  2. Step 2: Convert to fraction form
    12,643,480.98/18,965,270.67 = 3,058,844.13/x
  3. Step 3: Cross multiply
    12,643,480.98x = 18,965,270.67 × 3,058,844.13
  4. Step 4: Simplify right side
    12,643,480.98x = 58,011,806,862,790.67
  5. Step 5: Solve for x
    x = 58,011,806,862,790.67/12,643,480.98
  6. Step 6: Final answer
    x = 4,588,278.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.