Finding the Fourth Proportional to 34,270,950.05, 47,285,799.23 and 19,386,616.26
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Solution
The fourth proportional to 34,270,950.05, 47,285,799.23 and 19,386,616.26 is: 26,748,941.69
Step by Step Solution
- Step 1: Write the proportion equation
34,270,950.05 : 47,285,799.23 = 19,386,616.26 : x - Step 2: Convert to fraction form
34,270,950.05/47,285,799.23 = 19,386,616.26/x - Step 3: Cross multiply
34,270,950.05x = 47,285,799.23 × 19,386,616.26 - Step 4: Simplify right side
34,270,950.05x = 916,711,644,267,880.12 - Step 5: Solve for x
x = 916,711,644,267,880.12/34,270,950.05 - Step 6: Final answer
x = 26,748,941.69
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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.