Finding the Fourth Proportional to 27,139,875.20, 37,453,317.12 and 14,749,969.35
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Solution
The fourth proportional to 27,139,875.20, 37,453,317.12 and 14,749,969.35 is: 20,355,114.96
Step by Step Solution
- Step 1: Write the proportion equation
27,139,875.20 : 37,453,317.12 = 14,749,969.35 : x - Step 2: Convert to fraction form
27,139,875.20/37,453,317.12 = 14,749,969.35/x - Step 3: Cross multiply
27,139,875.20x = 37,453,317.12 × 14,749,969.35 - Step 4: Simplify right side
27,139,875.20x = 552,435,279,575,830.19 - Step 5: Solve for x
x = 552,435,279,575,830.19/27,139,875.20 - Step 6: Final answer
x = 20,355,114.96
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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.