Finding the Fourth Proportional to 13,183,060.20, 19,774,590.30 and 4,673,005.80
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Solution
The fourth proportional to 13,183,060.20, 19,774,590.30 and 4,673,005.80 is: 7,009,508.70
Step by Step Solution
- Step 1: Write the proportion equation
13,183,060.20 : 19,774,590.30 = 4,673,005.80 : x - Step 2: Convert to fraction form
13,183,060.20/19,774,590.30 = 4,673,005.80/x - Step 3: Cross multiply
13,183,060.20x = 19,774,590.30 × 4,673,005.80 - Step 4: Simplify right side
13,183,060.20x = 92,406,775,164,523.73 - Step 5: Solve for x
x = 92,406,775,164,523.73/13,183,060.20 - Step 6: Final answer
x = 7,009,508.70
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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.