Finding the Fourth Proportional to 16,854,225.12, 23,256,336.96 and 10,235,371.68
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Solution
The fourth proportional to 16,854,225.12, 23,256,336.96 and 10,235,371.68 is: 14,123,298.52
Step by Step Solution
- Step 1: Write the proportion equation
16,854,225.12 : 23,256,336.96 = 10,235,371.68 : x - Step 2: Convert to fraction form
16,854,225.12/23,256,336.96 = 10,235,371.68/x - Step 3: Cross multiply
16,854,225.12x = 23,256,336.96 × 10,235,371.68 - Step 4: Simplify right side
16,854,225.12x = 238,037,252,700,921.28 - Step 5: Solve for x
x = 238,037,252,700,921.28/16,854,225.12 - Step 6: Final answer
x = 14,123,298.52
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1.5x scale
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.