Finding the Fourth Proportional to 16,171,319.60, 24,256,979.40 and 7,668,263.60
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Solution
The fourth proportional to 16,171,319.60, 24,256,979.40 and 7,668,263.60 is: 11,502,395.40
Step by Step Solution
- Step 1: Write the proportion equation
16,171,319.60 : 24,256,979.40 = 7,668,263.60 : x - Step 2: Convert to fraction form
16,171,319.60/24,256,979.40 = 7,668,263.60/x - Step 3: Cross multiply
16,171,319.60x = 24,256,979.40 × 7,668,263.60 - Step 4: Simplify right side
16,171,319.60x = 186,008,912,178,969.81 - Step 5: Solve for x
x = 186,008,912,178,969.81/16,171,319.60 - Step 6: Final answer
x = 11,502,395.40
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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.