Finding the Fourth Proportional to 42,497,914.29, 63,739,739.99 and 11,795,612.73
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Solution
The fourth proportional to 42,497,914.29, 63,739,739.99 and 11,795,612.73 is: 17,691,439.71
Step by Step Solution
- Step 1: Write the proportion equation
42,497,914.29 : 63,739,739.99 = 11,795,612.73 : x - Step 2: Convert to fraction form
42,497,914.29/63,739,739.99 = 11,795,612.73/x - Step 3: Cross multiply
42,497,914.29x = 63,739,739.99 × 11,795,612.73 - Step 4: Simplify right side
42,497,914.29x = 751,849,288,373,956 - Step 5: Solve for x
x = 751,849,288,373,956/42,497,914.29 - Step 6: Final answer
x = 17,691,439.71
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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.