Home / 30,734,965.62-42,415,108.11-16,984,815.48

Finding the Fourth Proportional to 30,734,965.62, 42,415,108.11 and 16,984,815.48

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Solution

The fourth proportional to 30,734,965.62, 42,415,108.11 and 16,984,815.48 is: 23,439,518.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,734,965.62 : 42,415,108.11 = 16,984,815.48 : x
  2. Step 2: Convert to fraction form
    30,734,965.62/42,415,108.11 = 16,984,815.48/x
  3. Step 3: Cross multiply
    30,734,965.62x = 42,415,108.11 × 16,984,815.48
  4. Step 4: Simplify right side
    30,734,965.62x = 720,412,784,812,601.50
  5. Step 5: Solve for x
    x = 720,412,784,812,601.50/30,734,965.62
  6. Step 6: Final answer
    x = 23,439,518.16

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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.