Finding the Fourth Proportional to 19,509,348.90, 29,264,023.35 and 12,297,497.70
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Solution
The fourth proportional to 19,509,348.90, 29,264,023.35 and 12,297,497.70 is: 18,446,246.55
Step by Step Solution
- Step 1: Write the proportion equation
19,509,348.90 : 29,264,023.35 = 12,297,497.70 : x - Step 2: Convert to fraction form
19,509,348.90/29,264,023.35 = 12,297,497.70/x - Step 3: Cross multiply
19,509,348.90x = 29,264,023.35 × 12,297,497.70 - Step 4: Simplify right side
19,509,348.90x = 359,874,259,839,371.31 - Step 5: Solve for x
x = 359,874,259,839,371.31/19,509,348.90 - Step 6: Final answer
x = 18,446,246.55
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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.