Finding the Fourth Proportional to 16,171,257.60, 24,256,886.40 and 7,668,201.60
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Solution
The fourth proportional to 16,171,257.60, 24,256,886.40 and 7,668,201.60 is: 11,502,302.40
Step by Step Solution
- Step 1: Write the proportion equation
16,171,257.60 : 24,256,886.40 = 7,668,201.60 : x - Step 2: Convert to fraction form
16,171,257.60/24,256,886.40 = 7,668,201.60/x - Step 3: Cross multiply
16,171,257.60x = 24,256,886.40 × 7,668,201.60 - Step 4: Simplify right side
16,171,257.60x = 186,006,695,103,498.22 - Step 5: Solve for x
x = 186,006,695,103,498.22/16,171,257.60 - Step 6: Final answer
x = 11,502,302.40
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1.5x scale
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.