Finding the Fourth Proportional to 48,437,913.04, 66,860,517.74 and 28,864,939.12
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Solution
The fourth proportional to 48,437,913.04, 66,860,517.74 and 28,864,939.12 is: 39,843,268.48
Step by Step Solution
- Step 1: Write the proportion equation
48,437,913.04 : 66,860,517.74 = 28,864,939.12 : x - Step 2: Convert to fraction form
48,437,913.04/66,860,517.74 = 28,864,939.12/x - Step 3: Cross multiply
48,437,913.04x = 66,860,517.74 × 28,864,939.12 - Step 4: Simplify right side
48,437,913.04x = 1,929,924,774,096,780 - Step 5: Solve for x
x = 1,929,924,774,096,780/48,437,913.04 - Step 6: Final answer
x = 39,843,268.48
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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.