Finding the Fourth Proportional to 15,818,473.68, 21,829,204.68 and 8,942,957.84
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Solution
The fourth proportional to 15,818,473.68, 21,829,204.68 and 8,942,957.84 is: 12,341,118.43
Step by Step Solution
- Step 1: Write the proportion equation
15,818,473.68 : 21,829,204.68 = 8,942,957.84 : x - Step 2: Convert to fraction form
15,818,473.68/21,829,204.68 = 8,942,957.84/x - Step 3: Cross multiply
15,818,473.68x = 21,829,204.68 × 8,942,957.84 - Step 4: Simplify right side
15,818,473.68x = 195,217,657,133,970.69 - Step 5: Solve for x
x = 195,217,657,133,970.69/15,818,473.68 - Step 6: Final answer
x = 12,341,118.43
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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.