Finding the Fourth Proportional to 11,862,743.84, 16,371,292.44 and 6,706,585.28
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Solution
The fourth proportional to 11,862,743.84, 16,371,292.44 and 6,706,585.28 is: 9,255,486.79
Step by Step Solution
- Step 1: Write the proportion equation
11,862,743.84 : 16,371,292.44 = 6,706,585.28 : x - Step 2: Convert to fraction form
11,862,743.84/16,371,292.44 = 6,706,585.28/x - Step 3: Cross multiply
11,862,743.84x = 16,371,292.44 × 6,706,585.28 - Step 4: Simplify right side
11,862,743.84x = 109,795,468,892,679.28 - Step 5: Solve for x
x = 109,795,468,892,679.28/11,862,743.84 - Step 6: Final answer
x = 9,255,486.79
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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.