Finding the Fourth Proportional to 16,042,875.96, 22,141,999.20 and 9,520,101.99
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Solution
The fourth proportional to 16,042,875.96, 22,141,999.20 and 9,520,101.99 is: 13,139,420.34
Step by Step Solution
- Step 1: Write the proportion equation
16,042,875.96 : 22,141,999.20 = 9,520,101.99 : x - Step 2: Convert to fraction form
16,042,875.96/22,141,999.20 = 9,520,101.99/x - Step 3: Cross multiply
16,042,875.96x = 22,141,999.20 × 9,520,101.99 - Step 4: Simplify right side
16,042,875.96x = 210,794,090,646,498.41 - Step 5: Solve for x
x = 210,794,090,646,498.41/16,042,875.96 - Step 6: Final answer
x = 13,139,420.34
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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.