Home / 30,696,776.62-42,361,291.92-16,945,445.50

Finding the Fourth Proportional to 30,696,776.62, 42,361,291.92 and 16,945,445.50

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Solution

The fourth proportional to 30,696,776.62, 42,361,291.92 and 16,945,445.50 is: 23,384,571.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,696,776.62 : 42,361,291.92 = 16,945,445.50 : x
  2. Step 2: Convert to fraction form
    30,696,776.62/42,361,291.92 = 16,945,445.50/x
  3. Step 3: Cross multiply
    30,696,776.62x = 42,361,291.92 × 16,945,445.50
  4. Step 4: Simplify right side
    30,696,776.62x = 717,830,963,539,950.38
  5. Step 5: Solve for x
    x = 717,830,963,539,950.38/30,696,776.62
  6. Step 6: Final answer
    x = 23,384,571.36

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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.