Finding the Fourth Proportional to 31,344,328.96, 43,252,802.64 and 17,590,635.84
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Solution
The fourth proportional to 31,344,328.96, 43,252,802.64 and 17,590,635.84 is: 24,273,746.66
Step by Step Solution
- Step 1: Write the proportion equation
31,344,328.96 : 43,252,802.64 = 17,590,635.84 : x - Step 2: Convert to fraction form
31,344,328.96/43,252,802.64 = 17,590,635.84/x - Step 3: Cross multiply
31,344,328.96x = 43,252,802.64 × 17,590,635.84 - Step 4: Simplify right side
31,344,328.96x = 760,844,300,299,630.62 - Step 5: Solve for x
x = 760,844,300,299,630.62/31,344,328.96 - Step 6: Final answer
x = 24,273,746.66
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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.