Finding the Fourth Proportional to 10,490,347.58, 14,472,839.54 and 6,357,397.19
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Solution
The fourth proportional to 10,490,347.58, 14,472,839.54 and 6,357,397.19 is: 8,770,880.92
Step by Step Solution
- Step 1: Write the proportion equation
10,490,347.58 : 14,472,839.54 = 6,357,397.19 : x - Step 2: Convert to fraction form
10,490,347.58/14,472,839.54 = 6,357,397.19/x - Step 3: Cross multiply
10,490,347.58x = 14,472,839.54 × 6,357,397.19 - Step 4: Simplify right side
10,490,347.58x = 92,009,589,391,129.91 - Step 5: Solve for x
x = 92,009,589,391,129.91/10,490,347.58 - Step 6: Final answer
x = 8,770,880.92
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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.