Home / 30,915,054.60-46,372,581.90-8,198,248.20

Finding the Fourth Proportional to 30,915,054.60, 46,372,581.90 and 8,198,248.20

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Solution

The fourth proportional to 30,915,054.60, 46,372,581.90 and 8,198,248.20 is: 12,297,372.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,915,054.60 : 46,372,581.90 = 8,198,248.20 : x
  2. Step 2: Convert to fraction form
    30,915,054.60/46,372,581.90 = 8,198,248.20/x
  3. Step 3: Cross multiply
    30,915,054.60x = 46,372,581.90 × 8,198,248.20
  4. Step 4: Simplify right side
    30,915,054.60x = 380,173,936,091,027.56
  5. Step 5: Solve for x
    x = 380,173,936,091,027.56/30,915,054.60
  6. Step 6: Final answer
    x = 12,297,372.30

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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.