Finding the Fourth Proportional to 21,295,555.29, 29,353,437.72 and 16,641,252.36
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Solution
The fourth proportional to 21,295,555.29, 29,353,437.72 and 16,641,252.36 is: 22,938,024.30
Step by Step Solution
- Step 1: Write the proportion equation
21,295,555.29 : 29,353,437.72 = 16,641,252.36 : x - Step 2: Convert to fraction form
21,295,555.29/29,353,437.72 = 16,641,252.36/x - Step 3: Cross multiply
21,295,555.29x = 29,353,437.72 × 16,641,252.36 - Step 4: Simplify right side
21,295,555.29x = 488,477,964,732,063 - Step 5: Solve for x
x = 488,477,964,732,063/21,295,555.29 - Step 6: Final answer
x = 22,938,024.30
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.