Finding the Fourth Proportional to 19,430,963.64, 29,156,532.71 and 7,924,872.33
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Solution
The fourth proportional to 19,430,963.64, 29,156,532.71 and 7,924,872.33 is: 11,891,422.56
Step by Step Solution
- Step 1: Write the proportion equation
19,430,963.64 : 29,156,532.71 = 7,924,872.33 : x - Step 2: Convert to fraction form
19,430,963.64/29,156,532.71 = 7,924,872.33/x - Step 3: Cross multiply
19,430,963.64x = 29,156,532.71 × 7,924,872.33 - Step 4: Simplify right side
19,430,963.64x = 231,061,799,312,218.94 - Step 5: Solve for x
x = 231,061,799,312,218.94/19,430,963.64 - Step 6: Final answer
x = 11,891,422.56
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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.