Finding the Fourth Proportional to 10,340,785.09, 15,518,264.60 and 3,609,199.09
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Solution
The fourth proportional to 10,340,785.09, 15,518,264.60 and 3,609,199.09 is: 5,416,272.17
Step by Step Solution
- Step 1: Write the proportion equation
10,340,785.09 : 15,518,264.60 = 3,609,199.09 : x - Step 2: Convert to fraction form
10,340,785.09/15,518,264.60 = 3,609,199.09/x - Step 3: Cross multiply
10,340,785.09x = 15,518,264.60 × 3,609,199.09 - Step 4: Simplify right side
10,340,785.09x = 56,008,506,472,699.21 - Step 5: Solve for x
x = 56,008,506,472,699.21/10,340,785.09 - Step 6: Final answer
x = 5,416,272.17
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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.