Finding the Fourth Proportional to 10,371,698.70, 15,557,548.05 and 8,953,356.30
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Solution
The fourth proportional to 10,371,698.70, 15,557,548.05 and 8,953,356.30 is: 13,430,034.45
Step by Step Solution
- Step 1: Write the proportion equation
10,371,698.70 : 15,557,548.05 = 8,953,356.30 : x - Step 2: Convert to fraction form
10,371,698.70/15,557,548.05 = 8,953,356.30/x - Step 3: Cross multiply
10,371,698.70x = 15,557,548.05 × 8,953,356.30 - Step 4: Simplify right side
10,371,698.70x = 139,292,270,846,020.23 - Step 5: Solve for x
x = 139,292,270,846,020.23/10,371,698.70 - Step 6: Final answer
x = 13,430,034.45
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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.