Home / 30,331,608.10-45,497,412.15-8,766,913.30

Finding the Fourth Proportional to 30,331,608.10, 45,497,412.15 and 8,766,913.30

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Solution

The fourth proportional to 30,331,608.10, 45,497,412.15 and 8,766,913.30 is: 13,150,369.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,331,608.10 : 45,497,412.15 = 8,766,913.30 : x
  2. Step 2: Convert to fraction form
    30,331,608.10/45,497,412.15 = 8,766,913.30/x
  3. Step 3: Cross multiply
    30,331,608.10x = 45,497,412.15 × 8,766,913.30
  4. Step 4: Simplify right side
    30,331,608.10x = 398,871,867,693,416.62
  5. Step 5: Solve for x
    x = 398,871,867,693,416.62/30,331,608.10
  6. Step 6: Final answer
    x = 13,150,369.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.