Finding the Fourth Proportional to 11,581,616.77, 15,982,925.28 and 6,354,623.54
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Solution
The fourth proportional to 11,581,616.77, 15,982,925.28 and 6,354,623.54 is: 8,769,541.88
Step by Step Solution
- Step 1: Write the proportion equation
11,581,616.77 : 15,982,925.28 = 6,354,623.54 : x - Step 2: Convert to fraction form
11,581,616.77/15,982,925.28 = 6,354,623.54/x - Step 3: Cross multiply
11,581,616.77x = 15,982,925.28 × 6,354,623.54 - Step 4: Simplify right side
11,581,616.77x = 101,565,473,240,506.94 - Step 5: Solve for x
x = 101,565,473,240,506.94/11,581,616.77 - Step 6: Final answer
x = 8,769,541.88
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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.