Finding the Fourth Proportional to 26,436,575.30, 39,652,990.97 and 7,005,371.09
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Solution
The fourth proportional to 26,436,575.30, 39,652,990.97 and 7,005,371.09 is: 10,507,560.58
Step by Step Solution
- Step 1: Write the proportion equation
26,436,575.30 : 39,652,990.97 = 7,005,371.09 : x - Step 2: Convert to fraction form
26,436,575.30/39,652,990.97 = 7,005,371.09/x - Step 3: Cross multiply
26,436,575.30x = 39,652,990.97 × 7,005,371.09 - Step 4: Simplify right side
26,436,575.30x = 277,783,916,339,977.28 - Step 5: Solve for x
x = 277,783,916,339,977.28/26,436,575.30 - Step 6: Final answer
x = 10,507,560.58
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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.