Finding the Fourth Proportional to 19,931,790.60, 29,933,115.30 and 14,546,521.80
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Solution
The fourth proportional to 19,931,790.60, 29,933,115.30 and 14,546,521.80 is: 21,845,639.61
Step by Step Solution
- Step 1: Write the proportion equation
19,931,790.60 : 29,933,115.30 = 14,546,521.80 : x - Step 2: Convert to fraction form
19,931,790.60/29,933,115.30 = 14,546,521.80/x - Step 3: Cross multiply
19,931,790.60x = 29,933,115.30 × 14,546,521.80 - Step 4: Simplify right side
19,931,790.60x = 435,422,714,253,363.56 - Step 5: Solve for x
x = 435,422,714,253,363.56/19,931,790.60 - Step 6: Final answer
x = 21,845,639.61
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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.