Finding the Fourth Proportional to 13,888,164.49, 19,165,820.27 and 7,693,306.09
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Solution
The fourth proportional to 13,888,164.49, 19,165,820.27 and 7,693,306.09 is: 10,616,847.31
Step by Step Solution
- Step 1: Write the proportion equation
13,888,164.49 : 19,165,820.27 = 7,693,306.09 : x - Step 2: Convert to fraction form
13,888,164.49/19,165,820.27 = 7,693,306.09/x - Step 3: Cross multiply
13,888,164.49x = 19,165,820.27 × 7,693,306.09 - Step 4: Simplify right side
13,888,164.49x = 147,448,521,764,569.91 - Step 5: Solve for x
x = 147,448,521,764,569.91/13,888,164.49 - Step 6: Final answer
x = 10,616,847.31
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.