Finding the Fourth Proportional to 10,301,863.76, 14,216,547.72 and 5,718,240.08
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Solution
The fourth proportional to 10,301,863.76, 14,216,547.72 and 5,718,240.08 is: 7,891,157.84
Step by Step Solution
- Step 1: Write the proportion equation
10,301,863.76 : 14,216,547.72 = 5,718,240.08 : x - Step 2: Convert to fraction form
10,301,863.76/14,216,547.72 = 5,718,240.08/x - Step 3: Cross multiply
10,301,863.76x = 14,216,547.72 × 5,718,240.08 - Step 4: Simplify right side
10,301,863.76x = 81,293,632,971,736.62 - Step 5: Solve for x
x = 81,293,632,971,736.62/10,301,863.76 - Step 6: Final answer
x = 7,891,157.84
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.