Home / 30,501,203.40-45,751,805.10-18,407,968.20

Finding the Fourth Proportional to 30,501,203.40, 45,751,805.10 and 18,407,968.20

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Solution

The fourth proportional to 30,501,203.40, 45,751,805.10 and 18,407,968.20 is: 27,611,952.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,501,203.40 : 45,751,805.10 = 18,407,968.20 : x
  2. Step 2: Convert to fraction form
    30,501,203.40/45,751,805.10 = 18,407,968.20/x
  3. Step 3: Cross multiply
    30,501,203.40x = 45,751,805.10 × 18,407,968.20
  4. Step 4: Simplify right side
    30,501,203.40x = 842,197,773,373,397.88
  5. Step 5: Solve for x
    x = 842,197,773,373,397.88/30,501,203.40
  6. Step 6: Final answer
    x = 27,611,952.30

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Similar ratio
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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.