Finding the Fourth Proportional to 7,896,993.12, 11,837,922.35 and 3,341,775.66
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Solution
The fourth proportional to 7,896,993.12, 11,837,922.35 and 3,341,775.66 is: 5,009,461.22
Step by Step Solution
- Step 1: Write the proportion equation
7,896,993.12 : 11,837,922.35 = 3,341,775.66 : x - Step 2: Convert to fraction form
7,896,993.12/11,837,922.35 = 3,341,775.66/x - Step 3: Cross multiply
7,896,993.12x = 11,837,922.35 × 3,341,775.66 - Step 4: Simplify right side
7,896,993.12x = 39,559,680,757,491.12 - Step 5: Solve for x
x = 39,559,680,757,491.12/7,896,993.12 - Step 6: Final answer
x = 5,009,461.22
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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.