Finding the Fourth Proportional to 21,655,702.08, 29,884,876.09 and 11,866,066.79
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Solution
The fourth proportional to 21,655,702.08, 29,884,876.09 and 11,866,066.79 is: 16,375,176.12
Step by Step Solution
- Step 1: Write the proportion equation
21,655,702.08 : 29,884,876.09 = 11,866,066.79 : x - Step 2: Convert to fraction form
21,655,702.08/29,884,876.09 = 11,866,066.79/x - Step 3: Cross multiply
21,655,702.08x = 29,884,876.09 × 11,866,066.79 - Step 4: Simplify right side
21,655,702.08x = 354,615,935,515,724.50 - Step 5: Solve for x
x = 354,615,935,515,724.50/21,655,702.08 - Step 6: Final answer
x = 16,375,176.12
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.