Finding the Fourth Proportional to 16,038,013.80, 24,057,020.70 and 15,565,621.80
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Solution
The fourth proportional to 16,038,013.80, 24,057,020.70 and 15,565,621.80 is: 23,348,432.70
Step by Step Solution
- Step 1: Write the proportion equation
16,038,013.80 : 24,057,020.70 = 15,565,621.80 : x - Step 2: Convert to fraction form
16,038,013.80/24,057,020.70 = 15,565,621.80/x - Step 3: Cross multiply
16,038,013.80x = 24,057,020.70 × 15,565,621.80 - Step 4: Simplify right side
16,038,013.80x = 374,462,485,850,971.25 - Step 5: Solve for x
x = 374,462,485,850,971.25/16,038,013.80 - Step 6: Final answer
x = 23,348,432.70
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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.