Finding the Fourth Proportional to 8,165,959.46, 12,240,705.14 and 5,135,491.08
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Solution
The fourth proportional to 8,165,959.46, 12,240,705.14 and 5,135,491.08 is: 7,698,058.31
Step by Step Solution
- Step 1: Write the proportion equation
8,165,959.46 : 12,240,705.14 = 5,135,491.08 : x - Step 2: Convert to fraction form
8,165,959.46/12,240,705.14 = 5,135,491.08/x - Step 3: Cross multiply
8,165,959.46x = 12,240,705.14 × 5,135,491.08 - Step 4: Simplify right side
8,165,959.46x = 62,862,032,059,380.16 - Step 5: Solve for x
x = 62,862,032,059,380.16/8,165,959.46 - Step 6: Final answer
x = 7,698,058.31
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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.