Finding the Fourth Proportional to 9,894,423.09, 13,655,121.91 and 5,485,532.24
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Solution
The fourth proportional to 9,894,423.09, 13,655,121.91 and 5,485,532.24 is: 7,570,488.02
Step by Step Solution
- Step 1: Write the proportion equation
9,894,423.09 : 13,655,121.91 = 5,485,532.24 : x - Step 2: Convert to fraction form
9,894,423.09/13,655,121.91 = 5,485,532.24/x - Step 3: Cross multiply
9,894,423.09x = 13,655,121.91 × 5,485,532.24 - Step 4: Simplify right side
9,894,423.09x = 74,905,611,478,435.38 - Step 5: Solve for x
x = 74,905,611,478,435.38/9,894,423.09 - Step 6: Final answer
x = 7,570,488.02
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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.