Finding the Fourth Proportional to 27,202,267.30, 40,803,400.95 and 21,037,551.70
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Solution
The fourth proportional to 27,202,267.30, 40,803,400.95 and 21,037,551.70 is: 31,556,327.55
Step by Step Solution
- Step 1: Write the proportion equation
27,202,267.30 : 40,803,400.95 = 21,037,551.70 : x - Step 2: Convert to fraction form
27,202,267.30/40,803,400.95 = 21,037,551.70/x - Step 3: Cross multiply
27,202,267.30x = 40,803,400.95 × 21,037,551.70 - Step 4: Simplify right side
27,202,267.30x = 858,403,657,021,454.12 - Step 5: Solve for x
x = 858,403,657,021,454.12/27,202,267.30 - Step 6: Final answer
x = 31,556,327.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.