Finding the Fourth Proportional to 7,278,603.96, 10,895,511.06 and 4,748,811.96
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Solution
The fourth proportional to 7,278,603.96, 10,895,511.06 and 4,748,811.96 is: 7,108,606.75
Step by Step Solution
- Step 1: Write the proportion equation
7,278,603.96 : 10,895,511.06 = 4,748,811.96 : x - Step 2: Convert to fraction form
7,278,603.96/10,895,511.06 = 4,748,811.96/x - Step 3: Cross multiply
7,278,603.96x = 10,895,511.06 × 4,748,811.96 - Step 4: Simplify right side
7,278,603.96x = 51,740,733,232,040.28 - Step 5: Solve for x
x = 51,740,733,232,040.28/7,278,603.96 - Step 6: Final answer
x = 7,108,606.75
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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.