Home / 30,975,787.80-42,790,299.24-24,821,715.60

Finding the Fourth Proportional to 30,975,787.80, 42,790,299.24 and 24,821,715.60

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Solution

The fourth proportional to 30,975,787.80, 42,790,299.24 and 24,821,715.60 is: 34,288,995.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,975,787.80 : 42,790,299.24 = 24,821,715.60 : x
  2. Step 2: Convert to fraction form
    30,975,787.80/42,790,299.24 = 24,821,715.60/x
  3. Step 3: Cross multiply
    30,975,787.80x = 42,790,299.24 × 24,821,715.60
  4. Step 4: Simplify right side
    30,975,787.80x = 1,062,128,638,174,176.25
  5. Step 5: Solve for x
    x = 1,062,128,638,174,176.25/30,975,787.80
  6. Step 6: Final answer
    x = 34,288,995.17

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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.