Finding the Fourth Proportional to 19,394,807.25, 29,092,356.68 and 8,609,208.51
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Solution
The fourth proportional to 19,394,807.25, 29,092,356.68 and 8,609,208.51 is: 12,913,877.48
Step by Step Solution
- Step 1: Write the proportion equation
19,394,807.25 : 29,092,356.68 = 8,609,208.51 : x - Step 2: Convert to fraction form
19,394,807.25/29,092,356.68 = 8,609,208.51/x - Step 3: Cross multiply
19,394,807.25x = 29,092,356.68 × 8,609,208.51 - Step 4: Simplify right side
19,394,807.25x = 250,462,164,662,365.31 - Step 5: Solve for x
x = 250,462,164,662,365.31/19,394,807.25 - Step 6: Final answer
x = 12,913,877.48
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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.