Finding the Fourth Proportional to 51,013,068.84, 76,511,713.32 and 18,657,404.19
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Solution
The fourth proportional to 51,013,068.84, 76,511,713.32 and 18,657,404.19 is: 27,983,220.64
Step by Step Solution
- Step 1: Write the proportion equation
51,013,068.84 : 76,511,713.32 = 18,657,404.19 : x - Step 2: Convert to fraction form
51,013,068.84/76,511,713.32 = 18,657,404.19/x - Step 3: Cross multiply
51,013,068.84x = 76,511,713.32 × 18,657,404.19 - Step 4: Simplify right side
51,013,068.84x = 1,427,509,960,680,646.75 - Step 5: Solve for x
x = 1,427,509,960,680,646.75/51,013,068.84 - Step 6: Final answer
x = 27,983,220.64
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.