Finding the Fourth Proportional to 19,689,462.39, 29,534,193.59 and 5,312,530.19
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Solution
The fourth proportional to 19,689,462.39, 29,534,193.59 and 5,312,530.19 is: 7,968,795.28
Step by Step Solution
- Step 1: Write the proportion equation
19,689,462.39 : 29,534,193.59 = 5,312,530.19 : x - Step 2: Convert to fraction form
19,689,462.39/29,534,193.59 = 5,312,530.19/x - Step 3: Cross multiply
19,689,462.39x = 29,534,193.59 × 5,312,530.19 - Step 4: Simplify right side
19,689,462.39x = 156,901,294,909,945.84 - Step 5: Solve for x
x = 156,901,294,909,945.84/19,689,462.39 - Step 6: Final answer
x = 7,968,795.28
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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.