Finding the Fourth Proportional to 31,054,219.80, 46,546,337.70 and 14,887,915.80
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Solution
The fourth proportional to 31,054,219.80, 46,546,337.70 and 14,887,915.80 is: 22,315,097.95
Step by Step Solution
- Step 1: Write the proportion equation
31,054,219.80 : 46,546,337.70 = 14,887,915.80 : x - Step 2: Convert to fraction form
31,054,219.80/46,546,337.70 = 14,887,915.80/x - Step 3: Cross multiply
31,054,219.80x = 46,546,337.70 × 14,887,915.80 - Step 4: Simplify right side
31,054,219.80x = 692,977,956,475,965.75 - Step 5: Solve for x
x = 692,977,956,475,965.75/31,054,219.80 - Step 6: Final answer
x = 22,315,097.95
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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.