Home / 30,397,317.80-41,947,983.78-16,458,433.16

Finding the Fourth Proportional to 30,397,317.80, 41,947,983.78 and 16,458,433.16

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Solution

The fourth proportional to 30,397,317.80, 41,947,983.78 and 16,458,433.16 is: 22,712,467.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,397,317.80 : 41,947,983.78 = 16,458,433.16 : x
  2. Step 2: Convert to fraction form
    30,397,317.80/41,947,983.78 = 16,458,433.16/x
  3. Step 3: Cross multiply
    30,397,317.80x = 41,947,983.78 × 16,458,433.16
  4. Step 4: Simplify right side
    30,397,317.80x = 690,398,087,239,894.12
  5. Step 5: Solve for x
    x = 690,398,087,239,894.12/30,397,317.80
  6. Step 6: Final answer
    x = 22,712,467.32

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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.