Finding the Fourth Proportional to 10,307,576.16, 15,456,075.40 and 5,452,503.12
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Solution
The fourth proportional to 10,307,576.16, 15,456,075.40 and 5,452,503.12 is: 8,175,956.99
Step by Step Solution
- Step 1: Write the proportion equation
10,307,576.16 : 15,456,075.40 = 5,452,503.12 : x - Step 2: Convert to fraction form
10,307,576.16/15,456,075.40 = 5,452,503.12/x - Step 3: Cross multiply
10,307,576.16x = 15,456,075.40 × 5,452,503.12 - Step 4: Simplify right side
10,307,576.16x = 84,274,299,341,455.25 - Step 5: Solve for x
x = 84,274,299,341,455.25/10,307,576.16 - Step 6: Final answer
x = 8,175,956.99
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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.