Finding the Fourth Proportional to 47,503,027.84, 65,534,693.48 and 28,903,257.12
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Solution
The fourth proportional to 47,503,027.84, 65,534,693.48 and 28,903,257.12 is: 39,874,639.20
Step by Step Solution
- Step 1: Write the proportion equation
47,503,027.84 : 65,534,693.48 = 28,903,257.12 : x - Step 2: Convert to fraction form
47,503,027.84/65,534,693.48 = 28,903,257.12/x - Step 3: Cross multiply
47,503,027.84x = 65,534,693.48 × 28,903,257.12 - Step 4: Simplify right side
47,503,027.84x = 1,894,166,095,932,827.50 - Step 5: Solve for x
x = 1,894,166,095,932,827.50/47,503,027.84 - Step 6: Final answer
x = 39,874,639.20
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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.