Finding the Fourth Proportional to 14,749,440.12, 20,354,154.66 and 8,555,739.48
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Solution
The fourth proportional to 14,749,440.12, 20,354,154.66 and 8,555,739.48 is: 11,806,878.31
Step by Step Solution
- Step 1: Write the proportion equation
14,749,440.12 : 20,354,154.66 = 8,555,739.48 : x - Step 2: Convert to fraction form
14,749,440.12/20,354,154.66 = 8,555,739.48/x - Step 3: Cross multiply
14,749,440.12x = 20,354,154.66 × 8,555,739.48 - Step 4: Simplify right side
14,749,440.12x = 174,144,844,606,588 - Step 5: Solve for x
x = 174,144,844,606,588/14,749,440.12 - Step 6: Final answer
x = 11,806,878.31
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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.