Finding the Fourth Proportional to 29,213,948.88, 40,316,436.50 and 16,160,982.75
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Solution
The fourth proportional to 29,213,948.88, 40,316,436.50 and 16,160,982.75 is: 22,302,812.86
Step by Step Solution
- Step 1: Write the proportion equation
29,213,948.88 : 40,316,436.50 = 16,160,982.75 : x - Step 2: Convert to fraction form
29,213,948.88/40,316,436.50 = 16,160,982.75/x - Step 3: Cross multiply
29,213,948.88x = 40,316,436.50 × 16,160,982.75 - Step 4: Simplify right side
29,213,948.88x = 651,553,234,817,970.38 - Step 5: Solve for x
x = 651,553,234,817,970.38/29,213,948.88 - Step 6: Final answer
x = 22,302,812.86
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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.