Finding the Fourth Proportional to 19,821,071.07, 27,352,742.45 and 11,119,056.84
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Solution
The fourth proportional to 19,821,071.07, 27,352,742.45 and 11,119,056.84 is: 15,344,110.16
Step by Step Solution
- Step 1: Write the proportion equation
19,821,071.07 : 27,352,742.45 = 11,119,056.84 : x - Step 2: Convert to fraction form
19,821,071.07/27,352,742.45 = 11,119,056.84/x - Step 3: Cross multiply
19,821,071.07x = 27,352,742.45 × 11,119,056.84 - Step 4: Simplify right side
19,821,071.07x = 304,136,697,975,835.56 - Step 5: Solve for x
x = 304,136,697,975,835.56/19,821,071.07 - Step 6: Final answer
x = 15,344,110.16
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.