Home / 13,066,468.20-19,599,702.30-7,397,764.20

Finding the Fourth Proportional to 13,066,468.20, 19,599,702.30 and 7,397,764.20

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Solution

The fourth proportional to 13,066,468.20, 19,599,702.30 and 7,397,764.20 is: 11,096,646.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,066,468.20 : 19,599,702.30 = 7,397,764.20 : x
  2. Step 2: Convert to fraction form
    13,066,468.20/19,599,702.30 = 7,397,764.20/x
  3. Step 3: Cross multiply
    13,066,468.20x = 19,599,702.30 × 7,397,764.20
  4. Step 4: Simplify right side
    13,066,468.20x = 144,993,976,005,597.66
  5. Step 5: Solve for x
    x = 144,993,976,005,597.66/13,066,468.20
  6. Step 6: Final answer
    x = 11,096,646.30

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Double scale
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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.