Finding the Fourth Proportional to 48,147,612.70, 66,443,698.12 and 27,521,501.62
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Solution
The fourth proportional to 48,147,612.70, 66,443,698.12 and 27,521,501.62 is: 37,979,668.00
Step by Step Solution
- Step 1: Write the proportion equation
48,147,612.70 : 66,443,698.12 = 27,521,501.62 : x - Step 2: Convert to fraction form
48,147,612.70/66,443,698.12 = 27,521,501.62/x - Step 3: Cross multiply
48,147,612.70x = 66,443,698.12 × 27,521,501.62 - Step 4: Simplify right side
48,147,612.70x = 1,828,630,345,448,371 - Step 5: Solve for x
x = 1,828,630,345,448,371/48,147,612.70 - Step 6: Final answer
x = 37,979,668.00
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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.