Finding the Fourth Proportional to 23,615,823.18, 32,588,829.06 and 13,161,283.20
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Solution
The fourth proportional to 23,615,823.18, 32,588,829.06 and 13,161,283.20 is: 18,162,009.65
Step by Step Solution
- Step 1: Write the proportion equation
23,615,823.18 : 32,588,829.06 = 13,161,283.20 : x - Step 2: Convert to fraction form
23,615,823.18/32,588,829.06 = 13,161,283.20/x - Step 3: Cross multiply
23,615,823.18x = 32,588,829.06 × 13,161,283.20 - Step 4: Simplify right side
23,615,823.18x = 428,910,808,415,049.75 - Step 5: Solve for x
x = 428,910,808,415,049.75/23,615,823.18 - Step 6: Final answer
x = 18,162,009.65
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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.