Home / 30,574,276.20-45,861,414.30-12,378,436.20

Finding the Fourth Proportional to 30,574,276.20, 45,861,414.30 and 12,378,436.20

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Solution

The fourth proportional to 30,574,276.20, 45,861,414.30 and 12,378,436.20 is: 18,567,654.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,574,276.20 : 45,861,414.30 = 12,378,436.20 : x
  2. Step 2: Convert to fraction form
    30,574,276.20/45,861,414.30 = 12,378,436.20/x
  3. Step 3: Cross multiply
    30,574,276.20x = 45,861,414.30 × 12,378,436.20
  4. Step 4: Simplify right side
    30,574,276.20x = 567,692,590,954,317.62
  5. Step 5: Solve for x
    x = 567,692,590,954,317.62/30,574,276.20
  6. Step 6: Final answer
    x = 18,567,654.30

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1.5x scale

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.