Finding the Fourth Proportional to 19,620,067.50, 29,421,513.63 and 9,898,699.41
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Solution
The fourth proportional to 19,620,067.50, 29,421,513.63 and 9,898,699.41 is: 14,843,716.50
Step by Step Solution
- Step 1: Write the proportion equation
19,620,067.50 : 29,421,513.63 = 9,898,699.41 : x - Step 2: Convert to fraction form
19,620,067.50/29,421,513.63 = 9,898,699.41/x - Step 3: Cross multiply
19,620,067.50x = 29,421,513.63 × 9,898,699.41 - Step 4: Simplify right side
19,620,067.50x = 291,234,719,610,587.94 - Step 5: Solve for x
x = 291,234,719,610,587.94/19,620,067.50 - Step 6: Final answer
x = 14,843,716.50
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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.