Finding the Fourth Proportional to 12,294,830.70, 16,958,948.67 and 7,465,934.70
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Solution
The fourth proportional to 12,294,830.70, 16,958,948.67 and 7,465,934.70 is: 10,298,181.93
Step by Step Solution
- Step 1: Write the proportion equation
12,294,830.70 : 16,958,948.67 = 7,465,934.70 : x - Step 2: Convert to fraction form
12,294,830.70/16,958,948.67 = 7,465,934.70/x - Step 3: Cross multiply
12,294,830.70x = 16,958,948.67 × 7,465,934.70 - Step 4: Simplify right side
12,294,830.70x = 126,614,403,350,871.86 - Step 5: Solve for x
x = 126,614,403,350,871.86/12,294,830.70 - Step 6: Final answer
x = 10,298,181.93
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1.5x scale
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.