Finding the Fourth Proportional to 19,688,983.36, 27,170,802.24 and 10,868,440
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Solution
The fourth proportional to 19,688,983.36, 27,170,802.24 and 10,868,440 is: 14,998,450.07
Step by Step Solution
- Step 1: Write the proportion equation
19,688,983.36 : 27,170,802.24 = 10,868,440 : x - Step 2: Convert to fraction form
19,688,983.36/27,170,802.24 = 10,868,440/x - Step 3: Cross multiply
19,688,983.36x = 27,170,802.24 × 10,868,440 - Step 4: Simplify right side
19,688,983.36x = 295,304,233,897,305.56 - Step 5: Solve for x
x = 295,304,233,897,305.56/19,688,983.36 - Step 6: Final answer
x = 14,998,450.07
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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.