Finding the Fourth Proportional to 21,261,376.26, 31,896,715.55 and 6,885,897.21
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Solution
The fourth proportional to 21,261,376.26, 31,896,715.55 and 6,885,897.21 is: 10,330,352.18
Step by Step Solution
- Step 1: Write the proportion equation
21,261,376.26 : 31,896,715.55 = 6,885,897.21 : x - Step 2: Convert to fraction form
21,261,376.26/31,896,715.55 = 6,885,897.21/x - Step 3: Cross multiply
21,261,376.26x = 31,896,715.55 × 6,885,897.21 - Step 4: Simplify right side
21,261,376.26x = 219,637,504,579,479.12 - Step 5: Solve for x
x = 219,637,504,579,479.12/21,261,376.26 - Step 6: Final answer
x = 10,330,352.18
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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.