Finding the Fourth Proportional to 13,162,349.34, 18,163,281.54 and 7,281,632.70
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Solution
The fourth proportional to 13,162,349.34, 18,163,281.54 and 7,281,632.70 is: 10,048,232.38
Step by Step Solution
- Step 1: Write the proportion equation
13,162,349.34 : 18,163,281.54 = 7,281,632.70 : x - Step 2: Convert to fraction form
13,162,349.34/18,163,281.54 = 7,281,632.70/x - Step 3: Cross multiply
13,162,349.34x = 18,163,281.54 × 7,281,632.70 - Step 4: Simplify right side
13,162,349.34x = 132,258,344,800,970.36 - Step 5: Solve for x
x = 132,258,344,800,970.36/13,162,349.34 - Step 6: Final answer
x = 10,048,232.38
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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.