Finding the Fourth Proportional to 13,454,660.80, 18,567,483.36 and 7,343,224
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Solution
The fourth proportional to 13,454,660.80, 18,567,483.36 and 7,343,224 is: 10,133,677.20
Step by Step Solution
- Step 1: Write the proportion equation
13,454,660.80 : 18,567,483.36 = 7,343,224 : x - Step 2: Convert to fraction form
13,454,660.80/18,567,483.36 = 7,343,224/x - Step 3: Cross multiply
13,454,660.80x = 18,567,483.36 × 7,343,224 - Step 4: Simplify right side
13,454,660.80x = 136,345,189,428,752.64 - Step 5: Solve for x
x = 136,345,189,428,752.64/13,454,660.80 - Step 6: Final answer
x = 10,133,677.20
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1.5x scale
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.