Finding the Fourth Proportional to 22,148,935.70, 33,157,048.35 and 13,168,865.30
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Solution
The fourth proportional to 22,148,935.70, 33,157,048.35 and 13,168,865.30 is: 19,713,845.82
Step by Step Solution
- Step 1: Write the proportion equation
22,148,935.70 : 33,157,048.35 = 13,168,865.30 : x - Step 2: Convert to fraction form
22,148,935.70/33,157,048.35 = 13,168,865.30/x - Step 3: Cross multiply
22,148,935.70x = 33,157,048.35 × 13,168,865.30 - Step 4: Simplify right side
22,148,935.70x = 436,640,703,466,737.31 - Step 5: Solve for x
x = 436,640,703,466,737.31/22,148,935.70 - Step 6: Final answer
x = 19,713,845.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.