Finding the Fourth Proportional to 21,894,683.94, 32,847,381.63 and 15,430,372.02
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Solution
The fourth proportional to 21,894,683.94, 32,847,381.63 and 15,430,372.02 is: 23,149,332.50
Step by Step Solution
- Step 1: Write the proportion equation
21,894,683.94 : 32,847,381.63 = 15,430,372.02 : x - Step 2: Convert to fraction form
21,894,683.94/32,847,381.63 = 15,430,372.02/x - Step 3: Cross multiply
21,894,683.94x = 32,847,381.63 × 15,430,372.02 - Step 4: Simplify right side
21,894,683.94x = 506,847,318,433,813.94 - Step 5: Solve for x
x = 506,847,318,433,813.94/21,894,683.94 - Step 6: Final answer
x = 23,149,332.50
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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.