Home / 19,031,012.20-28,546,518.30-9,465,074.20

Finding the Fourth Proportional to 19,031,012.20, 28,546,518.30 and 9,465,074.20

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Solution

The fourth proportional to 19,031,012.20, 28,546,518.30 and 9,465,074.20 is: 14,197,611.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,031,012.20 : 28,546,518.30 = 9,465,074.20 : x
  2. Step 2: Convert to fraction form
    19,031,012.20/28,546,518.30 = 9,465,074.20/x
  3. Step 3: Cross multiply
    19,031,012.20x = 28,546,518.30 × 9,465,074.20
  4. Step 4: Simplify right side
    19,031,012.20x = 270,194,913,861,157.84
  5. Step 5: Solve for x
    x = 270,194,913,861,157.84/19,031,012.20
  6. Step 6: Final answer
    x = 14,197,611.30

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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.