Finding the Fourth Proportional to 19,026,087.84, 26,212,908.11 and 18,119,095.20
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Solution
The fourth proportional to 19,026,087.84, 26,212,908.11 and 18,119,095.20 is: 24,963,312.56
Step by Step Solution
- Step 1: Write the proportion equation
19,026,087.84 : 26,212,908.11 = 18,119,095.20 : x - Step 2: Convert to fraction form
19,026,087.84/26,212,908.11 = 18,119,095.20/x - Step 3: Cross multiply
19,026,087.84x = 26,212,908.11 × 18,119,095.20 - Step 4: Simplify right side
19,026,087.84x = 474,954,177,513,942.06 - Step 5: Solve for x
x = 474,954,177,513,942.06/19,026,087.84 - Step 6: Final answer
x = 24,963,312.56
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1.5x scale
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.