Finding the Fourth Proportional to 47,476,684.18, 71,205,061.62 and 13,390,058.44
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Solution
The fourth proportional to 47,476,684.18, 71,205,061.62 and 13,390,058.44 is: 20,082,277.29
Step by Step Solution
- Step 1: Write the proportion equation
47,476,684.18 : 71,205,061.62 = 13,390,058.44 : x - Step 2: Convert to fraction form
47,476,684.18/71,205,061.62 = 13,390,058.44/x - Step 3: Cross multiply
47,476,684.18x = 71,205,061.62 × 13,390,058.44 - Step 4: Simplify right side
47,476,684.18x = 953,439,936,379,501.12 - Step 5: Solve for x
x = 953,439,936,379,501.12/47,476,684.18 - Step 6: Final answer
x = 20,082,277.29
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.