Finding the Fourth Proportional to 31,996,398.08, 44,175,632.64 and 28,552,718.72
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Solution
The fourth proportional to 31,996,398.08, 44,175,632.64 and 28,552,718.72 is: 39,421,137.65
Step by Step Solution
- Step 1: Write the proportion equation
31,996,398.08 : 44,175,632.64 = 28,552,718.72 : x - Step 2: Convert to fraction form
31,996,398.08/44,175,632.64 = 28,552,718.72/x - Step 3: Cross multiply
31,996,398.08x = 44,175,632.64 × 28,552,718.72 - Step 4: Simplify right side
31,996,398.08x = 1,261,334,413,047,971 - Step 5: Solve for x
x = 1,261,334,413,047,971/31,996,398.08 - Step 6: Final answer
x = 39,421,137.65
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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.