Finding the Fourth Proportional to 19,534,950.96, 29,298,436.08 and 7,400,230.80
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Solution
The fourth proportional to 19,534,950.96, 29,298,436.08 and 7,400,230.80 is: 11,098,834.57
Step by Step Solution
- Step 1: Write the proportion equation
19,534,950.96 : 29,298,436.08 = 7,400,230.80 : x - Step 2: Convert to fraction form
19,534,950.96/29,298,436.08 = 7,400,230.80/x - Step 3: Cross multiply
19,534,950.96x = 29,298,436.08 × 7,400,230.80 - Step 4: Simplify right side
19,534,950.96x = 216,815,189,071,047.25 - Step 5: Solve for x
x = 216,815,189,071,047.25/19,534,950.96 - Step 6: Final answer
x = 11,098,834.57
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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.