Finding the Fourth Proportional to 19,319,659.94, 26,661,770.10 and 10,618,140.98
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Solution
The fourth proportional to 19,319,659.94, 26,661,770.10 and 10,618,140.98 is: 14,653,385.96
Step by Step Solution
- Step 1: Write the proportion equation
19,319,659.94 : 26,661,770.10 = 10,618,140.98 : x - Step 2: Convert to fraction form
19,319,659.94/26,661,770.10 = 10,618,140.98/x - Step 3: Cross multiply
19,319,659.94x = 26,661,770.10 × 10,618,140.98 - Step 4: Simplify right side
19,319,659.94x = 283,098,433,564,839.88 - Step 5: Solve for x
x = 283,098,433,564,839.88/19,319,659.94 - Step 6: Final answer
x = 14,653,385.96
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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.