Finding the Fourth Proportional to 16,520,804.84, 22,794,587.40 and 9,906,431.48
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Solution
The fourth proportional to 16,520,804.84, 22,794,587.40 and 9,906,431.48 is: 13,668,402.99
Step by Step Solution
- Step 1: Write the proportion equation
16,520,804.84 : 22,794,587.40 = 9,906,431.48 : x - Step 2: Convert to fraction form
16,520,804.84/22,794,587.40 = 9,906,431.48/x - Step 3: Cross multiply
16,520,804.84x = 22,794,587.40 × 9,906,431.48 - Step 4: Simplify right side
16,520,804.84x = 225,813,018,192,971.34 - Step 5: Solve for x
x = 225,813,018,192,971.34/16,520,804.84 - Step 6: Final answer
x = 13,668,402.99
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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.