Finding the Fourth Proportional to 10,213,328.94, 15,316,007.58 and 4,457,822.91
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Solution
The fourth proportional to 10,213,328.94, 15,316,007.58 and 4,457,822.91 is: 6,684,994.67
Step by Step Solution
- Step 1: Write the proportion equation
10,213,328.94 : 15,316,007.58 = 4,457,822.91 : x - Step 2: Convert to fraction form
10,213,328.94/15,316,007.58 = 4,457,822.91/x - Step 3: Cross multiply
10,213,328.94x = 15,316,007.58 × 4,457,822.91 - Step 4: Simplify right side
10,213,328.94x = 68,276,049,479,857.66 - Step 5: Solve for x
x = 68,276,049,479,857.66/10,213,328.94 - Step 6: Final answer
x = 6,684,994.67
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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.