Finding the Fourth Proportional to 14,889,660.20, 22,334,490.30 and 13,378,005.80
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Solution
The fourth proportional to 14,889,660.20, 22,334,490.30 and 13,378,005.80 is: 20,067,008.70
Step by Step Solution
- Step 1: Write the proportion equation
14,889,660.20 : 22,334,490.30 = 13,378,005.80 : x - Step 2: Convert to fraction form
14,889,660.20/22,334,490.30 = 13,378,005.80/x - Step 3: Cross multiply
14,889,660.20x = 22,334,490.30 × 13,378,005.80 - Step 4: Simplify right side
14,889,660.20x = 298,790,940,773,443.75 - Step 5: Solve for x
x = 298,790,940,773,443.75/14,889,660.20 - Step 6: Final answer
x = 20,067,008.70
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1.5x scale
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.