Finding the Fourth Proportional to 48,499,349.09, 66,919,110.77 and 27,868,809.47
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Solution
The fourth proportional to 48,499,349.09, 66,919,110.77 and 27,868,809.47 is: 38,453,216.03
Step by Step Solution
- Step 1: Write the proportion equation
48,499,349.09 : 66,919,110.77 = 27,868,809.47 : x - Step 2: Convert to fraction form
48,499,349.09/66,919,110.77 = 27,868,809.47/x - Step 3: Cross multiply
48,499,349.09x = 66,919,110.77 × 27,868,809.47 - Step 4: Simplify right side
48,499,349.09x = 1,864,955,947,686,031.50 - Step 5: Solve for x
x = 1,864,955,947,686,031.50/48,499,349.09 - Step 6: Final answer
x = 38,453,216.03
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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.