Finding the Fourth Proportional to 16,620,143.84, 22,769,490.88 and 15,998,628.26
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Solution
The fourth proportional to 16,620,143.84, 22,769,490.88 and 15,998,628.26 is: 21,918,018.51
Step by Step Solution
- Step 1: Write the proportion equation
16,620,143.84 : 22,769,490.88 = 15,998,628.26 : x - Step 2: Convert to fraction form
16,620,143.84/22,769,490.88 = 15,998,628.26/x - Step 3: Cross multiply
16,620,143.84x = 22,769,490.88 × 15,998,628.26 - Step 4: Simplify right side
16,620,143.84x = 364,280,620,258,580.25 - Step 5: Solve for x
x = 364,280,620,258,580.25/16,620,143.84 - Step 6: Final answer
x = 21,918,018.51
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.