Home / 30,254,805.20-45,391,452.60-18,137,758.16

Finding the Fourth Proportional to 30,254,805.20, 45,391,452.60 and 18,137,758.16

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Solution

The fourth proportional to 30,254,805.20, 45,391,452.60 and 18,137,758.16 is: 27,212,179.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,254,805.20 : 45,391,452.60 = 18,137,758.16 : x
  2. Step 2: Convert to fraction form
    30,254,805.20/45,391,452.60 = 18,137,758.16/x
  3. Step 3: Cross multiply
    30,254,805.20x = 45,391,452.60 × 18,137,758.16
  4. Step 4: Simplify right side
    30,254,805.20x = 823,299,189,562,946
  5. Step 5: Solve for x
    x = 823,299,189,562,946/30,254,805.20
  6. Step 6: Final answer
    x = 27,212,179.50

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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.