Finding the Fourth Proportional to 8,437,742.83, 11,643,480.57 and 4,953,223.07
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Solution
The fourth proportional to 8,437,742.83, 11,643,480.57 and 4,953,223.07 is: 6,835,092.95
Step by Step Solution
- Step 1: Write the proportion equation
8,437,742.83 : 11,643,480.57 = 4,953,223.07 : x - Step 2: Convert to fraction form
8,437,742.83/11,643,480.57 = 4,953,223.07/x - Step 3: Cross multiply
8,437,742.83x = 11,643,480.57 × 4,953,223.07 - Step 4: Simplify right side
8,437,742.83x = 57,672,756,578,440.98 - Step 5: Solve for x
x = 57,672,756,578,440.98/8,437,742.83 - Step 6: Final answer
x = 6,835,092.95
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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.