Finding the Fourth Proportional to 40,394,913.28, 60,579,283.20 and 13,461,337.60
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Solution
The fourth proportional to 40,394,913.28, 60,579,283.20 and 13,461,337.60 is: 20,187,645.34
Step by Step Solution
- Step 1: Write the proportion equation
40,394,913.28 : 60,579,283.20 = 13,461,337.60 : x - Step 2: Convert to fraction form
40,394,913.28/60,579,283.20 = 13,461,337.60/x - Step 3: Cross multiply
40,394,913.28x = 60,579,283.20 × 13,461,337.60 - Step 4: Simplify right side
40,394,913.28x = 815,478,182,721,208.38 - Step 5: Solve for x
x = 815,478,182,721,208.38/40,394,913.28 - Step 6: Final answer
x = 20,187,645.34
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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.