Finding the Fourth Proportional to 34,169,135.97, 47,153,377.18 and 19,287,592.39
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Solution
The fourth proportional to 34,169,135.97, 47,153,377.18 and 19,287,592.39 is: 26,616,860.31
Step by Step Solution
- Step 1: Write the proportion equation
34,169,135.97 : 47,153,377.18 = 19,287,592.39 : x - Step 2: Convert to fraction form
34,169,135.97/47,153,377.18 = 19,287,592.39/x - Step 3: Cross multiply
34,169,135.97x = 47,153,377.18 × 19,287,592.39 - Step 4: Simplify right side
34,169,135.97x = 909,475,118,859,767.62 - Step 5: Solve for x
x = 909,475,118,859,767.62/34,169,135.97 - Step 6: Final answer
x = 26,616,860.31
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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.