Finding the Fourth Proportional to 10,894,614.40, 16,312,430.40 and 8,535,318.40
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Solution
The fourth proportional to 10,894,614.40, 16,312,430.40 and 8,535,318.40 is: 12,779,872.90
Step by Step Solution
- Step 1: Write the proportion equation
10,894,614.40 : 16,312,430.40 = 8,535,318.40 : x - Step 2: Convert to fraction form
10,894,614.40/16,312,430.40 = 8,535,318.40/x - Step 3: Cross multiply
10,894,614.40x = 16,312,430.40 × 8,535,318.40 - Step 4: Simplify right side
10,894,614.40x = 139,231,787,341,839.38 - Step 5: Solve for x
x = 139,231,787,341,839.38/10,894,614.40 - Step 6: Final answer
x = 12,779,872.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.