Finding the Fourth Proportional to 19,963,581.36, 29,945,374.92 and 4,817,512.92
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Solution
The fourth proportional to 19,963,581.36, 29,945,374.92 and 4,817,512.92 is: 7,226,270.07
Step by Step Solution
- Step 1: Write the proportion equation
19,963,581.36 : 29,945,374.92 = 4,817,512.92 : x - Step 2: Convert to fraction form
19,963,581.36/29,945,374.92 = 4,817,512.92/x - Step 3: Cross multiply
19,963,581.36x = 29,945,374.92 × 4,817,512.92 - Step 4: Simplify right side
19,963,581.36x = 144,262,230,571,343.97 - Step 5: Solve for x
x = 144,262,230,571,343.97/19,963,581.36 - Step 6: Final answer
x = 7,226,270.07
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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.