Finding the Fourth Proportional to 7,260,014.40, 10,887,397.20 and 3,664,586.40
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Solution
The fourth proportional to 7,260,014.40, 10,887,397.20 and 3,664,586.40 is: 5,495,554.90
Step by Step Solution
- Step 1: Write the proportion equation
7,260,014.40 : 10,887,397.20 = 3,664,586.40 : x - Step 2: Convert to fraction form
7,260,014.40/10,887,397.20 = 3,664,586.40/x - Step 3: Cross multiply
7,260,014.40x = 10,887,397.20 × 3,664,586.40 - Step 4: Simplify right side
7,260,014.40x = 39,897,807,710,518.08 - Step 5: Solve for x
x = 39,897,807,710,518.08/7,260,014.40 - Step 6: Final answer
x = 5,495,554.90
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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.