Finding the Fourth Proportional to 19,378,490.24, 29,073,418.80 and 5,731,995.68
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Solution
The fourth proportional to 19,378,490.24, 29,073,418.80 and 5,731,995.68 is: 8,599,674.63
Step by Step Solution
- Step 1: Write the proportion equation
19,378,490.24 : 29,073,418.80 = 5,731,995.68 : x - Step 2: Convert to fraction form
19,378,490.24/29,073,418.80 = 5,731,995.68/x - Step 3: Cross multiply
19,378,490.24x = 29,073,418.80 × 5,731,995.68 - Step 4: Simplify right side
19,378,490.24x = 166,648,710,964,430.78 - Step 5: Solve for x
x = 166,648,710,964,430.78/19,378,490.24 - Step 6: Final answer
x = 8,599,674.63
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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.