Finding the Fourth Proportional to 10,389,563.04, 15,587,708.44 and 4,997,511.82
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Solution
The fourth proportional to 10,389,563.04, 15,587,708.44 and 4,997,511.82 is: 7,497,885.80
Step by Step Solution
- Step 1: Write the proportion equation
10,389,563.04 : 15,587,708.44 = 4,997,511.82 : x - Step 2: Convert to fraction form
10,389,563.04/15,587,708.44 = 4,997,511.82/x - Step 3: Cross multiply
10,389,563.04x = 15,587,708.44 × 4,997,511.82 - Step 4: Simplify right side
10,389,563.04x = 77,899,757,175,613.77 - Step 5: Solve for x
x = 77,899,757,175,613.77/10,389,563.04 - Step 6: Final answer
x = 7,497,885.80
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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.