Finding the Fourth Proportional to 16,898,905.72, 23,320,496.08 and 9,163,945.99
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Solution
The fourth proportional to 16,898,905.72, 23,320,496.08 and 9,163,945.99 is: 12,646,248.82
Step by Step Solution
- Step 1: Write the proportion equation
16,898,905.72 : 23,320,496.08 = 9,163,945.99 : x - Step 2: Convert to fraction form
16,898,905.72/23,320,496.08 = 9,163,945.99/x - Step 3: Cross multiply
16,898,905.72x = 23,320,496.08 × 9,163,945.99 - Step 4: Simplify right side
16,898,905.72x = 213,707,766,472,323.50 - Step 5: Solve for x
x = 213,707,766,472,323.50/16,898,905.72 - Step 6: Final answer
x = 12,646,248.82
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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.