Finding the Fourth Proportional to 10,600,416.72, 15,889,194.36 and 5,202,784.08
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Solution
The fourth proportional to 10,600,416.72, 15,889,194.36 and 5,202,784.08 is: 7,798,565.82
Step by Step Solution
- Step 1: Write the proportion equation
10,600,416.72 : 15,889,194.36 = 5,202,784.08 : x - Step 2: Convert to fraction form
10,600,416.72/15,889,194.36 = 5,202,784.08/x - Step 3: Cross multiply
10,600,416.72x = 15,889,194.36 × 5,202,784.08 - Step 4: Simplify right side
10,600,416.72x = 82,668,047,460,233.78 - Step 5: Solve for x
x = 82,668,047,460,233.78/10,600,416.72 - Step 6: Final answer
x = 7,798,565.82
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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.