Finding the Fourth Proportional to 9,758,412.62, 13,466,688.58 and 5,407,571.63
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Solution
The fourth proportional to 9,758,412.62, 13,466,688.58 and 5,407,571.63 is: 7,462,492.72
Step by Step Solution
- Step 1: Write the proportion equation
9,758,412.62 : 13,466,688.58 = 5,407,571.63 : x - Step 2: Convert to fraction form
9,758,412.62/13,466,688.58 = 5,407,571.63/x - Step 3: Cross multiply
9,758,412.62x = 13,466,688.58 × 5,407,571.63 - Step 4: Simplify right side
9,758,412.62x = 72,822,083,115,252.98 - Step 5: Solve for x
x = 72,822,083,115,252.98/9,758,412.62 - Step 6: Final answer
x = 7,462,492.72
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1.5x scale
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.