Finding the Fourth Proportional to 19,356,691.24, 26,711,058.18 and 11,206,354.60
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Solution
The fourth proportional to 19,356,691.24, 26,711,058.18 and 11,206,354.60 is: 15,464,088.67
Step by Step Solution
- Step 1: Write the proportion equation
19,356,691.24 : 26,711,058.18 = 11,206,354.60 : x - Step 2: Convert to fraction form
19,356,691.24/26,711,058.18 = 11,206,354.60/x - Step 3: Cross multiply
19,356,691.24x = 26,711,058.18 × 11,206,354.60 - Step 4: Simplify right side
19,356,691.24x = 299,333,589,706,310.62 - Step 5: Solve for x
x = 299,333,589,706,310.62/19,356,691.24 - Step 6: Final answer
x = 15,464,088.67
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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.