Finding the Fourth Proportional to 17,781,675.40, 26,674,342.62 and 6,712,070.68
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Solution
The fourth proportional to 17,781,675.40, 26,674,342.62 and 6,712,070.68 is: 10,068,796.61
Step by Step Solution
- Step 1: Write the proportion equation
17,781,675.40 : 26,674,342.62 = 6,712,070.68 : x - Step 2: Convert to fraction form
17,781,675.40/26,674,342.62 = 6,712,070.68/x - Step 3: Cross multiply
17,781,675.40x = 26,674,342.62 × 6,712,070.68 - Step 4: Simplify right side
17,781,675.40x = 179,040,073,007,976.38 - Step 5: Solve for x
x = 179,040,073,007,976.38/17,781,675.40 - Step 6: Final answer
x = 10,068,796.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.