Finding the Fourth Proportional to 12,752,564.99, 17,597,875.66 and 7,245,175.48
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Solution
The fourth proportional to 12,752,564.99, 17,597,875.66 and 7,245,175.48 is: 9,997,964.91
Step by Step Solution
- Step 1: Write the proportion equation
12,752,564.99 : 17,597,875.66 = 7,245,175.48 : x - Step 2: Convert to fraction form
12,752,564.99/17,597,875.66 = 7,245,175.48/x - Step 3: Cross multiply
12,752,564.99x = 17,597,875.66 × 7,245,175.48 - Step 4: Simplify right side
12,752,564.99x = 127,499,697,169,813.19 - Step 5: Solve for x
x = 127,499,697,169,813.19/12,752,564.99 - Step 6: Final answer
x = 9,997,964.91
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1.5x scale
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.