Finding the Fourth Proportional to 9,694,876.50, 13,379,528.15 and 5,343,952.99
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Solution
The fourth proportional to 9,694,876.50, 13,379,528.15 and 5,343,952.99 is: 7,374,985.07
Step by Step Solution
- Step 1: Write the proportion equation
9,694,876.50 : 13,379,528.15 = 5,343,952.99 : x - Step 2: Convert to fraction form
9,694,876.50/13,379,528.15 = 5,343,952.99/x - Step 3: Cross multiply
9,694,876.50x = 13,379,528.15 × 5,343,952.99 - Step 4: Simplify right side
9,694,876.50x = 71,499,569,461,981.67 - Step 5: Solve for x
x = 71,499,569,461,981.67/9,694,876.50 - Step 6: Final answer
x = 7,374,985.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.