Finding the Fourth Proportional to 21,282,954.71, 29,370,476.98 and 11,493,398.10
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Solution
The fourth proportional to 21,282,954.71, 29,370,476.98 and 11,493,398.10 is: 15,860,889.09
Step by Step Solution
- Step 1: Write the proportion equation
21,282,954.71 : 29,370,476.98 = 11,493,398.10 : x - Step 2: Convert to fraction form
21,282,954.71/29,370,476.98 = 11,493,398.10/x - Step 3: Cross multiply
21,282,954.71x = 29,370,476.98 × 11,493,398.10 - Step 4: Simplify right side
21,282,954.71x = 337,566,584,192,040.25 - Step 5: Solve for x
x = 337,566,584,192,040.25/21,282,954.71 - Step 6: Final answer
x = 15,860,889.09
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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.