Finding the Fourth Proportional to 8,263,418.92, 12,357,077.18 and 7,860,311.08
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Solution
The fourth proportional to 8,263,418.92, 12,357,077.18 and 7,860,311.08 is: 11,754,271.64
Step by Step Solution
- Step 1: Write the proportion equation
8,263,418.92 : 12,357,077.18 = 7,860,311.08 : x - Step 2: Convert to fraction form
8,263,418.92/12,357,077.18 = 7,860,311.08/x - Step 3: Cross multiply
8,263,418.92x = 12,357,077.18 × 7,860,311.08 - Step 4: Simplify right side
8,263,418.92x = 97,130,470,674,369.16 - Step 5: Solve for x
x = 97,130,470,674,369.16/8,263,418.92 - Step 6: Final answer
x = 11,754,271.64
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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.