Home / 30,466,123.20-45,670,057.20-11,291,738.40

Finding the Fourth Proportional to 30,466,123.20, 45,670,057.20 and 11,291,738.40

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Solution

The fourth proportional to 30,466,123.20, 45,670,057.20 and 11,291,738.40 is: 16,926,811.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,466,123.20 : 45,670,057.20 = 11,291,738.40 : x
  2. Step 2: Convert to fraction form
    30,466,123.20/45,670,057.20 = 11,291,738.40/x
  3. Step 3: Cross multiply
    30,466,123.20x = 45,670,057.20 × 11,291,738.40
  4. Step 4: Simplify right side
    30,466,123.20x = 515,694,338,615,436.50
  5. Step 5: Solve for x
    x = 515,694,338,615,436.50/30,466,123.20
  6. Step 6: Final answer
    x = 16,926,811.96

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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.