Finding the Fourth Proportional to 10,316,349.55, 14,236,691.39 and 5,670,641.80
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Solution
The fourth proportional to 10,316,349.55, 14,236,691.39 and 5,670,641.80 is: 7,825,556.60
Step by Step Solution
- Step 1: Write the proportion equation
10,316,349.55 : 14,236,691.39 = 5,670,641.80 : x - Step 2: Convert to fraction form
10,316,349.55/14,236,691.39 = 5,670,641.80/x - Step 3: Cross multiply
10,316,349.55x = 14,236,691.39 × 5,670,641.80 - Step 4: Simplify right side
10,316,349.55x = 80,731,177,289,834.11 - Step 5: Solve for x
x = 80,731,177,289,834.11/10,316,349.55 - Step 6: Final answer
x = 7,825,556.60
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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.