Finding the Fourth Proportional to 10,402,089.70, 15,603,183.15 and 3,670,503.70
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Solution
The fourth proportional to 10,402,089.70, 15,603,183.15 and 3,670,503.70 is: 5,505,772.70
Step by Step Solution
- Step 1: Write the proportion equation
10,402,089.70 : 15,603,183.15 = 3,670,503.70 : x - Step 2: Convert to fraction form
10,402,089.70/15,603,183.15 = 3,670,503.70/x - Step 3: Cross multiply
10,402,089.70x = 15,603,183.15 × 3,670,503.70 - Step 4: Simplify right side
10,402,089.70x = 57,271,541,483,852.66 - Step 5: Solve for x
x = 57,271,541,483,852.66/10,402,089.70 - Step 6: Final answer
x = 5,505,772.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.