Finding the Fourth Proportional to 18,756,232.48, 28,134,038.64 and 5,976,563.68
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Solution
The fourth proportional to 18,756,232.48, 28,134,038.64 and 5,976,563.68 is: 8,964,746.71
Step by Step Solution
- Step 1: Write the proportion equation
18,756,232.48 : 28,134,038.64 = 5,976,563.68 : x - Step 2: Convert to fraction form
18,756,232.48/28,134,038.64 = 5,976,563.68/x - Step 3: Cross multiply
18,756,232.48x = 28,134,038.64 × 5,976,563.68 - Step 4: Simplify right side
18,756,232.48x = 168,144,873,507,540.59 - Step 5: Solve for x
x = 168,144,873,507,540.59/18,756,232.48 - Step 6: Final answer
x = 8,964,746.71
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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.