Finding the Fourth Proportional to 8,490,989.44, 12,736,455.36 and 3,442,288
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Solution
The fourth proportional to 8,490,989.44, 12,736,455.36 and 3,442,288 is: 5,163,420.32
Step by Step Solution
- Step 1: Write the proportion equation
8,490,989.44 : 12,736,455.36 = 3,442,288 : x - Step 2: Convert to fraction form
8,490,989.44/12,736,455.36 = 3,442,288/x - Step 3: Cross multiply
8,490,989.44x = 12,736,455.36 × 3,442,288 - Step 4: Simplify right side
8,490,989.44x = 43,842,547,448,263.68 - Step 5: Solve for x
x = 43,842,547,448,263.68/8,490,989.44 - Step 6: Final answer
x = 5,163,420.32
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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.