Finding the Fourth Proportional to 36,447,879.60, 50,298,163.98 and 19,929,071.28
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Solution
The fourth proportional to 36,447,879.60, 50,298,163.98 and 19,929,071.28 is: 27,502,167.65
Step by Step Solution
- Step 1: Write the proportion equation
36,447,879.60 : 50,298,163.98 = 19,929,071.28 : x - Step 2: Convert to fraction form
36,447,879.60/50,298,163.98 = 19,929,071.28/x - Step 3: Cross multiply
36,447,879.60x = 50,298,163.98 × 19,929,071.28 - Step 4: Simplify right side
36,447,879.60x = 1,002,395,695,210,548.50 - Step 5: Solve for x
x = 1,002,395,695,210,548.50/36,447,879.60 - Step 6: Final answer
x = 27,502,167.65
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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.