Home / 30,680,782.15-42,340,377.75-16,743,035.35

Finding the Fourth Proportional to 30,680,782.15, 42,340,377.75 and 16,743,035.35

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Solution

The fourth proportional to 30,680,782.15, 42,340,377.75 and 16,743,035.35 is: 23,105,879.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,680,782.15 : 42,340,377.75 = 16,743,035.35 : x
  2. Step 2: Convert to fraction form
    30,680,782.15/42,340,377.75 = 16,743,035.35/x
  3. Step 3: Cross multiply
    30,680,782.15x = 42,340,377.75 × 16,743,035.35
  4. Step 4: Simplify right side
    30,680,782.15x = 708,906,441,400,603.50
  5. Step 5: Solve for x
    x = 708,906,441,400,603.50/30,680,782.15
  6. Step 6: Final answer
    x = 23,105,879.05

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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.