Finding the Fourth Proportional to 19,057,902.35, 28,588,097.68 and 13,955,602.19
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Solution
The fourth proportional to 19,057,902.35, 28,588,097.68 and 13,955,602.19 is: 20,934,314.34
Step by Step Solution
- Step 1: Write the proportion equation
19,057,902.35 : 28,588,097.68 = 13,955,602.19 : x - Step 2: Convert to fraction form
19,057,902.35/28,588,097.68 = 13,955,602.19/x - Step 3: Cross multiply
19,057,902.35x = 28,588,097.68 × 13,955,602.19 - Step 4: Simplify right side
19,057,902.35x = 398,964,118,413,112.44 - Step 5: Solve for x
x = 398,964,118,413,112.44/19,057,902.35 - Step 6: Final answer
x = 20,934,314.34
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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.