Finding the Fourth Proportional to 8,573,476.17, 12,911,536.70 and 7,808,201.13
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Solution
The fourth proportional to 8,573,476.17, 12,911,536.70 and 7,808,201.13 is: 11,759,043.05
Step by Step Solution
- Step 1: Write the proportion equation
8,573,476.17 : 12,911,536.70 = 7,808,201.13 : x - Step 2: Convert to fraction form
8,573,476.17/12,911,536.70 = 7,808,201.13/x - Step 3: Cross multiply
8,573,476.17x = 12,911,536.70 × 7,808,201.13 - Step 4: Simplify right side
8,573,476.17x = 100,815,875,411,935.47 - Step 5: Solve for x
x = 100,815,875,411,935.47/8,573,476.17 - Step 6: Final answer
x = 11,759,043.05
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.