Finding the Fourth Proportional to 29,038,638.15, 43,557,661.92 and 7,473,156.03
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Solution
The fourth proportional to 29,038,638.15, 43,557,661.92 and 7,473,156.03 is: 11,209,658.05
Step by Step Solution
- Step 1: Write the proportion equation
29,038,638.15 : 43,557,661.92 = 7,473,156.03 : x - Step 2: Convert to fraction form
29,038,638.15/43,557,661.92 = 7,473,156.03/x - Step 3: Cross multiply
29,038,638.15x = 43,557,661.92 × 7,473,156.03 - Step 4: Simplify right side
29,038,638.15x = 325,513,203,830,149.38 - Step 5: Solve for x
x = 325,513,203,830,149.38/29,038,638.15 - Step 6: Final answer
x = 11,209,658.05
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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.