Finding the Fourth Proportional to 9,137,375.98, 12,615,312.30 and 5,879,851.63
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Solution
The fourth proportional to 9,137,375.98, 12,615,312.30 and 5,879,851.63 is: 8,117,884.69
Step by Step Solution
- Step 1: Write the proportion equation
9,137,375.98 : 12,615,312.30 = 5,879,851.63 : x - Step 2: Convert to fraction form
9,137,375.98/12,615,312.30 = 5,879,851.63/x - Step 3: Cross multiply
9,137,375.98x = 12,615,312.30 × 5,879,851.63 - Step 4: Simplify right side
9,137,375.98x = 74,176,164,536,526.33 - Step 5: Solve for x
x = 74,176,164,536,526.33/9,137,375.98 - Step 6: Final answer
x = 8,117,884.69
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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.