Finding the Fourth Proportional to 9,792,117.20, 14,688,175.80 and 8,747,022.80
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Solution
The fourth proportional to 9,792,117.20, 14,688,175.80 and 8,747,022.80 is: 13,120,534.20
Step by Step Solution
- Step 1: Write the proportion equation
9,792,117.20 : 14,688,175.80 = 8,747,022.80 : x - Step 2: Convert to fraction form
9,792,117.20/14,688,175.80 = 8,747,022.80/x - Step 3: Cross multiply
9,792,117.20x = 14,688,175.80 × 8,747,022.80 - Step 4: Simplify right side
9,792,117.20x = 128,477,808,613,008.25 - Step 5: Solve for x
x = 128,477,808,613,008.25/9,792,117.20 - Step 6: Final answer
x = 13,120,534.20
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1.5x scale
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.