Finding the Fourth Proportional to 14,423,442.84, 19,904,354.10 and 7,897,073.58
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Solution
The fourth proportional to 14,423,442.84, 19,904,354.10 and 7,897,073.58 is: 10,897,963.17
Step by Step Solution
- Step 1: Write the proportion equation
14,423,442.84 : 19,904,354.10 = 7,897,073.58 : x - Step 2: Convert to fraction form
14,423,442.84/19,904,354.10 = 7,897,073.58/x - Step 3: Cross multiply
14,423,442.84x = 19,904,354.10 × 7,897,073.58 - Step 4: Simplify right side
14,423,442.84x = 157,186,148,890,074.69 - Step 5: Solve for x
x = 157,186,148,890,074.69/14,423,442.84 - Step 6: Final answer
x = 10,897,963.17
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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.