Finding the Fourth Proportional to 38,632,614.68, 53,313,432.66 and 21,228,964.40
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Solution
The fourth proportional to 38,632,614.68, 53,313,432.66 and 21,228,964.40 is: 29,296,204.08
Step by Step Solution
- Step 1: Write the proportion equation
38,632,614.68 : 53,313,432.66 = 21,228,964.40 : x - Step 2: Convert to fraction form
38,632,614.68/53,313,432.66 = 21,228,964.40/x - Step 3: Cross multiply
38,632,614.68x = 53,313,432.66 × 21,228,964.40 - Step 4: Simplify right side
38,632,614.68x = 1,131,788,963,980,937.25 - Step 5: Solve for x
x = 1,131,788,963,980,937.25/38,632,614.68 - Step 6: Final answer
x = 29,296,204.08
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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.