Finding the Fourth Proportional to 13,041,376.12, 19,534,485.30 and 8,246,590.84
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Solution
The fourth proportional to 13,041,376.12, 19,534,485.30 and 8,246,590.84 is: 12,352,447.02
Step by Step Solution
- Step 1: Write the proportion equation
13,041,376.12 : 19,534,485.30 = 8,246,590.84 : x - Step 2: Convert to fraction form
13,041,376.12/19,534,485.30 = 8,246,590.84/x - Step 3: Cross multiply
13,041,376.12x = 19,534,485.30 × 8,246,590.84 - Step 4: Simplify right side
13,041,376.12x = 161,092,907,539,094.66 - Step 5: Solve for x
x = 161,092,907,539,094.66/13,041,376.12 - Step 6: Final answer
x = 12,352,447.02
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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.