Finding the Fourth Proportional to 28,426,277.52, 39,228,497.64 and 16,203,921.84
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Solution
The fourth proportional to 28,426,277.52, 39,228,497.64 and 16,203,921.84 is: 22,361,545.90
Step by Step Solution
- Step 1: Write the proportion equation
28,426,277.52 : 39,228,497.64 = 16,203,921.84 : x - Step 2: Convert to fraction form
28,426,277.52/39,228,497.64 = 16,203,921.84/x - Step 3: Cross multiply
28,426,277.52x = 39,228,497.64 × 16,203,921.84 - Step 4: Simplify right side
28,426,277.52x = 635,655,509,659,184.50 - Step 5: Solve for x
x = 635,655,509,659,184.50/28,426,277.52 - Step 6: Final answer
x = 22,361,545.90
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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.