Finding the Fourth Proportional to 12,697,852.86, 17,523,087.14 and 6,896,731.48
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Solution
The fourth proportional to 12,697,852.86, 17,523,087.14 and 6,896,731.48 is: 9,517,516.70
Step by Step Solution
- Step 1: Write the proportion equation
12,697,852.86 : 17,523,087.14 = 6,896,731.48 : x - Step 2: Convert to fraction form
12,697,852.86/17,523,087.14 = 6,896,731.48/x - Step 3: Cross multiply
12,697,852.86x = 17,523,087.14 × 6,896,731.48 - Step 4: Simplify right side
12,697,852.86x = 120,852,026,705,221.17 - Step 5: Solve for x
x = 120,852,026,705,221.17/12,697,852.86 - Step 6: Final answer
x = 9,517,516.70
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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.