Finding the Fourth Proportional to 10,371,669.96, 15,557,504.92 and 2,798,623.56
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Solution
The fourth proportional to 10,371,669.96, 15,557,504.92 and 2,798,623.56 is: 4,197,935.33
Step by Step Solution
- Step 1: Write the proportion equation
10,371,669.96 : 15,557,504.92 = 2,798,623.56 : x - Step 2: Convert to fraction form
10,371,669.96/15,557,504.92 = 2,798,623.56/x - Step 3: Cross multiply
10,371,669.96x = 15,557,504.92 × 2,798,623.56 - Step 4: Simplify right side
10,371,669.96x = 43,539,599,803,927.91 - Step 5: Solve for x
x = 43,539,599,803,927.91/10,371,669.96 - Step 6: Final answer
x = 4,197,935.33
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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.