Finding the Fourth Proportional to 9,427,645.05, 14,133,839.62 and 2,947,386.36
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Solution
The fourth proportional to 9,427,645.05, 14,133,839.62 and 2,947,386.36 is: 4,418,694.79
Step by Step Solution
- Step 1: Write the proportion equation
9,427,645.05 : 14,133,839.62 = 2,947,386.36 : x - Step 2: Convert to fraction form
9,427,645.05/14,133,839.62 = 2,947,386.36/x - Step 3: Cross multiply
9,427,645.05x = 14,133,839.62 × 2,947,386.36 - Step 4: Simplify right side
9,427,645.05x = 41,657,886,130,111.99 - Step 5: Solve for x
x = 41,657,886,130,111.99/9,427,645.05 - Step 6: Final answer
x = 4,418,694.79
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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.