Home / 30,243,380.20-45,365,070.30-10,048,622.20

Finding the Fourth Proportional to 30,243,380.20, 45,365,070.30 and 10,048,622.20

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Solution

The fourth proportional to 30,243,380.20, 45,365,070.30 and 10,048,622.20 is: 15,072,933.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,243,380.20 : 45,365,070.30 = 10,048,622.20 : x
  2. Step 2: Convert to fraction form
    30,243,380.20/45,365,070.30 = 10,048,622.20/x
  3. Step 3: Cross multiply
    30,243,380.20x = 45,365,070.30 × 10,048,622.20
  4. Step 4: Simplify right side
    30,243,380.20x = 455,856,452,521,140.62
  5. Step 5: Solve for x
    x = 455,856,452,521,140.62/30,243,380.20
  6. Step 6: Final answer
    x = 15,072,933.30

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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.