Finding the Fourth Proportional to 11,688,423.42, 16,129,253.06 and 6,726,062.84
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Solution
The fourth proportional to 11,688,423.42, 16,129,253.06 and 6,726,062.84 is: 9,281,522.90
Step by Step Solution
- Step 1: Write the proportion equation
11,688,423.42 : 16,129,253.06 = 6,726,062.84 : x - Step 2: Convert to fraction form
11,688,423.42/16,129,253.06 = 6,726,062.84/x - Step 3: Cross multiply
11,688,423.42x = 16,129,253.06 × 6,726,062.84 - Step 4: Simplify right side
11,688,423.42x = 108,486,369,643,822.30 - Step 5: Solve for x
x = 108,486,369,643,822.30/11,688,423.42 - Step 6: Final answer
x = 9,281,522.90
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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.