Home / 30,630,604.98-42,278,397.27-18,082,692.48

Finding the Fourth Proportional to 30,630,604.98, 42,278,397.27 and 18,082,692.48

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Solution

The fourth proportional to 30,630,604.98, 42,278,397.27 and 18,082,692.48 is: 24,958,934.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,630,604.98 : 42,278,397.27 = 18,082,692.48 : x
  2. Step 2: Convert to fraction form
    30,630,604.98/42,278,397.27 = 18,082,692.48/x
  3. Step 3: Cross multiply
    30,630,604.98x = 42,278,397.27 × 18,082,692.48
  4. Step 4: Simplify right side
    30,630,604.98x = 764,507,256,573,130.62
  5. Step 5: Solve for x
    x = 764,507,256,573,130.62/30,630,604.98
  6. Step 6: Final answer
    x = 24,958,934.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.