Finding the Fourth Proportional to 13,854,276,545.93, 19,119,052,116.57 and 8,138,801,868.46
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Solution
The fourth proportional to 13,854,276,545.93, 19,119,052,116.57 and 8,138,801,868.46 is: 11,231,634,980.99
Step by Step Solution
- Step 1: Write the proportion equation
13,854,276,545.93 : 19,119,052,116.57 = 8,138,801,868.46 : x - Step 2: Convert to fraction form
13,854,276,545.93/19,119,052,116.57 = 8,138,801,868.46/x - Step 3: Cross multiply
13,854,276,545.93x = 19,119,052,116.57 × 8,138,801,868.46 - Step 4: Simplify right side
13,854,276,545.93x = 155,606,177,089,524,039,680 - Step 5: Solve for x
x = 155,606,177,089,524,039,680/13,854,276,545.93 - Step 6: Final answer
x = 11,231,634,980.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.