Finding the Fourth Proportional to 7,118,202.53, 9,823,070.12 and 3,854,942.57
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Solution
The fourth proportional to 7,118,202.53, 9,823,070.12 and 3,854,942.57 is: 5,319,794.00
Step by Step Solution
- Step 1: Write the proportion equation
7,118,202.53 : 9,823,070.12 = 3,854,942.57 : x - Step 2: Convert to fraction form
7,118,202.53/9,823,070.12 = 3,854,942.57/x - Step 3: Cross multiply
7,118,202.53x = 9,823,070.12 × 3,854,942.57 - Step 4: Simplify right side
7,118,202.53x = 37,867,371,105,292.95 - Step 5: Solve for x
x = 37,867,371,105,292.95/7,118,202.53 - Step 6: Final answer
x = 5,319,794.00
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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.