Finding the Fourth Proportional to 19,895,539.97, 29,843,309.96 and 5,518,607.74
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Solution
The fourth proportional to 19,895,539.97, 29,843,309.96 and 5,518,607.74 is: 8,277,911.62
Step by Step Solution
- Step 1: Write the proportion equation
19,895,539.97 : 29,843,309.96 = 5,518,607.74 : x - Step 2: Convert to fraction form
19,895,539.97/29,843,309.96 = 5,518,607.74/x - Step 3: Cross multiply
19,895,539.97x = 29,843,309.96 × 5,518,607.74 - Step 4: Simplify right side
19,895,539.97x = 164,693,521,418,837.16 - Step 5: Solve for x
x = 164,693,521,418,837.16/19,895,539.97 - Step 6: Final answer
x = 8,277,911.62
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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.