Finding the Fourth Proportional to 19,374,595.49, 29,062,953.93 and 7,858,352.85
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Solution
The fourth proportional to 19,374,595.49, 29,062,953.93 and 7,858,352.85 is: 11,787,959.50
Step by Step Solution
- Step 1: Write the proportion equation
19,374,595.49 : 29,062,953.93 = 7,858,352.85 : x - Step 2: Convert to fraction form
19,374,595.49/29,062,953.93 = 7,858,352.85/x - Step 3: Cross multiply
19,374,595.49x = 29,062,953.93 × 7,858,352.85 - Step 4: Simplify right side
19,374,595.49x = 228,386,946,845,234.19 - Step 5: Solve for x
x = 228,386,946,845,234.19/19,374,595.49 - Step 6: Final answer
x = 11,787,959.50
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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.