Home / 30,886,310.16-42,623,091.54-16,947,756.80

Finding the Fourth Proportional to 30,886,310.16, 42,623,091.54 and 16,947,756.80

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Solution

The fourth proportional to 30,886,310.16, 42,623,091.54 and 16,947,756.80 is: 23,387,895.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,886,310.16 : 42,623,091.54 = 16,947,756.80 : x
  2. Step 2: Convert to fraction form
    30,886,310.16/42,623,091.54 = 16,947,756.80/x
  3. Step 3: Cross multiply
    30,886,310.16x = 42,623,091.54 × 16,947,756.80
  4. Step 4: Simplify right side
    30,886,310.16x = 722,365,789,484,057.50
  5. Step 5: Solve for x
    x = 722,365,789,484,057.50/30,886,310.16
  6. Step 6: Final answer
    x = 23,387,895.34

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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.