Finding the Fourth Proportional to 8,154,963.08, 11,254,138.16 and 4,484,159.12
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Solution
The fourth proportional to 8,154,963.08, 11,254,138.16 and 4,484,159.12 is: 6,188,298.55
Step by Step Solution
- Step 1: Write the proportion equation
8,154,963.08 : 11,254,138.16 = 4,484,159.12 : x - Step 2: Convert to fraction form
8,154,963.08/11,254,138.16 = 4,484,159.12/x - Step 3: Cross multiply
8,154,963.08x = 11,254,138.16 × 4,484,159.12 - Step 4: Simplify right side
8,154,963.08x = 50,465,346,189,212.53 - Step 5: Solve for x
x = 50,465,346,189,212.53/8,154,963.08 - Step 6: Final answer
x = 6,188,298.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.