Finding the Fourth Proportional to 11,330,030.18, 15,635,443.87 and 6,173,391.71
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Solution
The fourth proportional to 11,330,030.18, 15,635,443.87 and 6,173,391.71 is: 8,519,281.77
Step by Step Solution
- Step 1: Write the proportion equation
11,330,030.18 : 15,635,443.87 = 6,173,391.71 : x - Step 2: Convert to fraction form
11,330,030.18/15,635,443.87 = 6,173,391.71/x - Step 3: Cross multiply
11,330,030.18x = 15,635,443.87 × 6,173,391.71 - Step 4: Simplify right side
11,330,030.18x = 96,523,719,569,228.31 - Step 5: Solve for x
x = 96,523,719,569,228.31/11,330,030.18 - Step 6: Final answer
x = 8,519,281.77
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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.