Finding the Fourth Proportional to 28,529,552.19, 39,370,782.02 and 16,306,671.63
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Solution
The fourth proportional to 28,529,552.19, 39,370,782.02 and 16,306,671.63 is: 22,503,206.85
Step by Step Solution
- Step 1: Write the proportion equation
28,529,552.19 : 39,370,782.02 = 16,306,671.63 : x - Step 2: Convert to fraction form
28,529,552.19/39,370,782.02 = 16,306,671.63/x - Step 3: Cross multiply
28,529,552.19x = 39,370,782.02 × 16,306,671.63 - Step 4: Simplify right side
28,529,552.19x = 642,006,414,216,448.12 - Step 5: Solve for x
x = 642,006,414,216,448.12/28,529,552.19 - Step 6: Final answer
x = 22,503,206.85
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1.5x scale
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.