Finding the Fourth Proportional to 16,903,523.68, 23,326,691.20 and 9,168,399.84
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Solution
The fourth proportional to 16,903,523.68, 23,326,691.20 and 9,168,399.84 is: 12,652,298.77
Step by Step Solution
- Step 1: Write the proportion equation
16,903,523.68 : 23,326,691.20 = 9,168,399.84 : x - Step 2: Convert to fraction form
16,903,523.68/23,326,691.20 = 9,168,399.84/x - Step 3: Cross multiply
16,903,523.68x = 23,326,691.20 × 9,168,399.84 - Step 4: Simplify right side
16,903,523.68x = 213,868,431,865,809.41 - Step 5: Solve for x
x = 213,868,431,865,809.41/16,903,523.68 - Step 6: Final answer
x = 12,652,298.77
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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.