Finding the Fourth Proportional to 13,258,251.04, 18,297,343.92 and 8,102,598.88
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Solution
The fourth proportional to 13,258,251.04, 18,297,343.92 and 8,102,598.88 is: 11,182,171.61
Step by Step Solution
- Step 1: Write the proportion equation
13,258,251.04 : 18,297,343.92 = 8,102,598.88 : x - Step 2: Convert to fraction form
13,258,251.04/18,297,343.92 = 8,102,598.88/x - Step 3: Cross multiply
13,258,251.04x = 18,297,343.92 × 8,102,598.88 - Step 4: Simplify right side
13,258,251.04x = 148,256,038,353,166.81 - Step 5: Solve for x
x = 148,256,038,353,166.81/13,258,251.04 - Step 6: Final answer
x = 11,182,171.61
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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.