Finding the Fourth Proportional to 53,145,798.26, 79,718,698.42 and 12,756,282.26
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Solution
The fourth proportional to 53,145,798.26, 79,718,698.42 and 12,756,282.26 is: 19,134,423.63
Step by Step Solution
- Step 1: Write the proportion equation
53,145,798.26 : 79,718,698.42 = 12,756,282.26 : x - Step 2: Convert to fraction form
53,145,798.26/79,718,698.42 = 12,756,282.26/x - Step 3: Cross multiply
53,145,798.26x = 79,718,698.42 × 12,756,282.26 - Step 4: Simplify right side
53,145,798.26x = 1,016,914,218,014,852 - Step 5: Solve for x
x = 1,016,914,218,014,852/53,145,798.26 - Step 6: Final answer
x = 19,134,423.63
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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.