Finding the Fourth Proportional to 11,236,154.70, 16,830,612.45 and 9,346,586.70
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Solution
The fourth proportional to 11,236,154.70, 16,830,612.45 and 9,346,586.70 is: 14,000,232.52
Step by Step Solution
- Step 1: Write the proportion equation
11,236,154.70 : 16,830,612.45 = 9,346,586.70 : x - Step 2: Convert to fraction form
11,236,154.70/16,830,612.45 = 9,346,586.70/x - Step 3: Cross multiply
11,236,154.70x = 16,830,612.45 × 9,346,586.70 - Step 4: Simplify right side
11,236,154.70x = 157,308,778,478,024.41 - Step 5: Solve for x
x = 157,308,778,478,024.41/11,236,154.70 - Step 6: Final answer
x = 14,000,232.52
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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.