Finding the Fourth Proportional to 9,718,492.80, 14,569,444.80 and 6,869,642.88
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Solution
The fourth proportional to 9,718,492.80, 14,569,444.80 and 6,869,642.88 is: 10,298,601.32
Step by Step Solution
- Step 1: Write the proportion equation
9,718,492.80 : 14,569,444.80 = 6,869,642.88 : x - Step 2: Convert to fraction form
9,718,492.80/14,569,444.80 = 6,869,642.88/x - Step 3: Cross multiply
9,718,492.80x = 14,569,444.80 × 6,869,642.88 - Step 4: Simplify right side
9,718,492.80x = 100,086,882,735,873.03 - Step 5: Solve for x
x = 100,086,882,735,873.03/9,718,492.80 - Step 6: Final answer
x = 10,298,601.32
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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.