Finding the Fourth Proportional to 8,356,888.17, 11,528,261.35 and 5,457,975.93
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Solution
The fourth proportional to 8,356,888.17, 11,528,261.35 and 5,457,975.93 is: 7,529,234.77
Step by Step Solution
- Step 1: Write the proportion equation
8,356,888.17 : 11,528,261.35 = 5,457,975.93 : x - Step 2: Convert to fraction form
8,356,888.17/11,528,261.35 = 5,457,975.93/x - Step 3: Cross multiply
8,356,888.17x = 11,528,261.35 × 5,457,975.93 - Step 4: Simplify right side
8,356,888.17x = 62,920,972,949,404.36 - Step 5: Solve for x
x = 62,920,972,949,404.36/8,356,888.17 - Step 6: Final answer
x = 7,529,234.77
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.