Finding the Fourth Proportional to 19,659,807.67, 29,489,686.05 and 5,282,875.69
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Solution
The fourth proportional to 19,659,807.67, 29,489,686.05 and 5,282,875.69 is: 7,924,306.69
Step by Step Solution
- Step 1: Write the proportion equation
19,659,807.67 : 29,489,686.05 = 5,282,875.69 : x - Step 2: Convert to fraction form
19,659,807.67/29,489,686.05 = 5,282,875.69/x - Step 3: Cross multiply
19,659,807.67x = 29,489,686.05 × 5,282,875.69 - Step 4: Simplify right side
19,659,807.67x = 155,790,345,539,277.12 - Step 5: Solve for x
x = 155,790,345,539,277.12/19,659,807.67 - Step 6: Final answer
x = 7,924,306.69
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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.