Finding the Fourth Proportional to 30,214,221.12, 45,334,727.46 and 15,833,869.92
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Solution
The fourth proportional to 30,214,221.12, 45,334,727.46 and 15,833,869.92 is: 23,757,824.99
Step by Step Solution
- Step 1: Write the proportion equation
30,214,221.12 : 45,334,727.46 = 15,833,869.92 : x - Step 2: Convert to fraction form
30,214,221.12/45,334,727.46 = 15,833,869.92/x - Step 3: Cross multiply
30,214,221.12x = 45,334,727.46 × 15,833,869.92 - Step 4: Simplify right side
30,214,221.12x = 717,824,177,460,292 - Step 5: Solve for x
x = 717,824,177,460,292/30,214,221.12 - Step 6: Final answer
x = 23,757,824.99
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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.