Finding the Fourth Proportional to 8,553,005.60, 11,803,147.08 and 5,115,246.54
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Solution
The fourth proportional to 8,553,005.60, 11,803,147.08 and 5,115,246.54 is: 7,059,039.84
Step by Step Solution
- Step 1: Write the proportion equation
8,553,005.60 : 11,803,147.08 = 5,115,246.54 : x - Step 2: Convert to fraction form
8,553,005.60/11,803,147.08 = 5,115,246.54/x - Step 3: Cross multiply
8,553,005.60x = 11,803,147.08 × 5,115,246.54 - Step 4: Simplify right side
8,553,005.60x = 60,376,007,262,081.10 - Step 5: Solve for x
x = 60,376,007,262,081.10/8,553,005.60 - Step 6: Final answer
x = 7,059,039.84
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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.