Finding the Fourth Proportional to 10,921,545.60, 16,361,428.80 and 5,871,177.60
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Solution
The fourth proportional to 10,921,545.60, 16,361,428.80 and 5,871,177.60 is: 8,795,536.62
Step by Step Solution
- Step 1: Write the proportion equation
10,921,545.60 : 16,361,428.80 = 5,871,177.60 : x - Step 2: Convert to fraction form
10,921,545.60/16,361,428.80 = 5,871,177.60/x - Step 3: Cross multiply
10,921,545.60x = 16,361,428.80 × 5,871,177.60 - Step 4: Simplify right side
10,921,545.60x = 96,060,854,274,554.88 - Step 5: Solve for x
x = 96,060,854,274,554.88/10,921,545.60 - Step 6: Final answer
x = 8,795,536.62
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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.