Finding the Fourth Proportional to 18,135,030.20, 27,202,545.30 and 15,773,070.20
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Solution
The fourth proportional to 18,135,030.20, 27,202,545.30 and 15,773,070.20 is: 23,659,605.30
Step by Step Solution
- Step 1: Write the proportion equation
18,135,030.20 : 27,202,545.30 = 15,773,070.20 : x - Step 2: Convert to fraction form
18,135,030.20/27,202,545.30 = 15,773,070.20/x - Step 3: Cross multiply
18,135,030.20x = 27,202,545.30 × 15,773,070.20 - Step 4: Simplify right side
18,135,030.20x = 429,067,656,635,580.06 - Step 5: Solve for x
x = 429,067,656,635,580.06/18,135,030.20 - Step 6: Final answer
x = 23,659,605.30
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1.5x scale
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.