Finding the Fourth Proportional to 34,749,030.12, 52,137,274.08 and 13,189,354.49
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Solution
The fourth proportional to 34,749,030.12, 52,137,274.08 and 13,189,354.49 is: 19,789,242.67
Step by Step Solution
- Step 1: Write the proportion equation
34,749,030.12 : 52,137,274.08 = 13,189,354.49 : x - Step 2: Convert to fraction form
34,749,030.12/52,137,274.08 = 13,189,354.49/x - Step 3: Cross multiply
34,749,030.12x = 52,137,274.08 × 13,189,354.49 - Step 4: Simplify right side
34,749,030.12x = 687,656,989,722,722.25 - Step 5: Solve for x
x = 687,656,989,722,722.25/34,749,030.12 - Step 6: Final answer
x = 19,789,242.67
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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.