Finding the Fourth Proportional to 19,815,032.70, 29,694,555.45 and 14,657,211.90
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Solution
The fourth proportional to 19,815,032.70, 29,694,555.45 and 14,657,211.90 is: 21,965,110.94
Step by Step Solution
- Step 1: Write the proportion equation
19,815,032.70 : 29,694,555.45 = 14,657,211.90 : x - Step 2: Convert to fraction form
19,815,032.70/29,694,555.45 = 14,657,211.90/x - Step 3: Cross multiply
19,815,032.70x = 29,694,555.45 × 14,657,211.90 - Step 4: Simplify right side
19,815,032.70x = 435,239,391,506,949.88 - Step 5: Solve for x
x = 435,239,391,506,949.88/19,815,032.70 - Step 6: Final answer
x = 21,965,110.94
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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.