Finding the Fourth Proportional to 28,932,904.79, 39,927,355.58 and 16,543,230.87
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Solution
The fourth proportional to 28,932,904.79, 39,927,355.58 and 16,543,230.87 is: 22,829,628.28
Step by Step Solution
- Step 1: Write the proportion equation
28,932,904.79 : 39,927,355.58 = 16,543,230.87 : x - Step 2: Convert to fraction form
28,932,904.79/39,927,355.58 = 16,543,230.87/x - Step 3: Cross multiply
28,932,904.79x = 39,927,355.58 × 16,543,230.87 - Step 4: Simplify right side
28,932,904.79x = 660,527,461,305,806.62 - Step 5: Solve for x
x = 660,527,461,305,806.62/28,932,904.79 - Step 6: Final answer
x = 22,829,628.28
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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.