Finding the Fourth Proportional to 13,037,405.60, 19,574,770.80 and 7,368,701.60
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Solution
The fourth proportional to 13,037,405.60, 19,574,770.80 and 7,368,701.60 is: 11,063,600.33
Step by Step Solution
- Step 1: Write the proportion equation
13,037,405.60 : 19,574,770.80 = 7,368,701.60 : x - Step 2: Convert to fraction form
13,037,405.60/19,574,770.80 = 7,368,701.60/x - Step 3: Cross multiply
13,037,405.60x = 19,574,770.80 × 7,368,701.60 - Step 4: Simplify right side
13,037,405.60x = 144,240,644,913,593.28 - Step 5: Solve for x
x = 144,240,644,913,593.28/13,037,405.60 - Step 6: Final answer
x = 11,063,600.33
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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.