Finding the Fourth Proportional to 16,313,490.68, 22,513,194.74 and 8,971,892.08
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Solution
The fourth proportional to 16,313,490.68, 22,513,194.74 and 8,971,892.08 is: 12,381,528.73
Step by Step Solution
- Step 1: Write the proportion equation
16,313,490.68 : 22,513,194.74 = 8,971,892.08 : x - Step 2: Convert to fraction form
16,313,490.68/22,513,194.74 = 8,971,892.08/x - Step 3: Cross multiply
16,313,490.68x = 22,513,194.74 × 8,971,892.08 - Step 4: Simplify right side
16,313,490.68x = 201,985,953,583,303.66 - Step 5: Solve for x
x = 201,985,953,583,303.66/16,313,490.68 - Step 6: Final answer
x = 12,381,528.73
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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.