Home / 30,311,297.80-45,466,946.70-18,218,062.60

Finding the Fourth Proportional to 30,311,297.80, 45,466,946.70 and 18,218,062.60

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Solution

The fourth proportional to 30,311,297.80, 45,466,946.70 and 18,218,062.60 is: 27,327,093.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,311,297.80 : 45,466,946.70 = 18,218,062.60 : x
  2. Step 2: Convert to fraction form
    30,311,297.80/45,466,946.70 = 18,218,062.60/x
  3. Step 3: Cross multiply
    30,311,297.80x = 45,466,946.70 × 18,218,062.60
  4. Step 4: Simplify right side
    30,311,297.80x = 828,319,681,211,463.50
  5. Step 5: Solve for x
    x = 828,319,681,211,463.50/30,311,297.80
  6. Step 6: Final answer
    x = 27,327,093.90

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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.