Finding the Fourth Proportional to 10,330,853.29, 14,252,726.86 and 6,461,904.49
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Solution
The fourth proportional to 10,330,853.29, 14,252,726.86 and 6,461,904.49 is: 8,915,019.61
Step by Step Solution
- Step 1: Write the proportion equation
10,330,853.29 : 14,252,726.86 = 6,461,904.49 : x - Step 2: Convert to fraction form
10,330,853.29/14,252,726.86 = 6,461,904.49/x - Step 3: Cross multiply
10,330,853.29x = 14,252,726.86 × 6,461,904.49 - Step 4: Simplify right side
10,330,853.29x = 92,099,759,691,377.59 - Step 5: Solve for x
x = 92,099,759,691,377.59/10,330,853.29 - Step 6: Final answer
x = 8,915,019.61
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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.