Finding the Fourth Proportional to 19,429,008.18, 29,143,623.24 and 8,069,456.81
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Solution
The fourth proportional to 19,429,008.18, 29,143,623.24 and 8,069,456.81 is: 12,104,231.30
Step by Step Solution
- Step 1: Write the proportion equation
19,429,008.18 : 29,143,623.24 = 8,069,456.81 : x - Step 2: Convert to fraction form
19,429,008.18/29,143,623.24 = 8,069,456.81/x - Step 3: Cross multiply
19,429,008.18x = 29,143,623.24 × 8,069,456.81 - Step 4: Simplify right side
19,429,008.18x = 235,173,208,876,374.12 - Step 5: Solve for x
x = 235,173,208,876,374.12/19,429,008.18 - Step 6: Final answer
x = 12,104,231.30
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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.