Finding the Fourth Proportional to 10,281,634.10, 15,419,686.35 and 4,296,763.70
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Solution
The fourth proportional to 10,281,634.10, 15,419,686.35 and 4,296,763.70 is: 6,443,990.12
Step by Step Solution
- Step 1: Write the proportion equation
10,281,634.10 : 15,419,686.35 = 4,296,763.70 : x - Step 2: Convert to fraction form
10,281,634.10/15,419,686.35 = 4,296,763.70/x - Step 3: Cross multiply
10,281,634.10x = 15,419,686.35 × 4,296,763.70 - Step 4: Simplify right side
10,281,634.10x = 66,254,748,574,065.50 - Step 5: Solve for x
x = 66,254,748,574,065.50/10,281,634.10 - Step 6: Final answer
x = 6,443,990.12
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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.