Finding the Fourth Proportional to 38,919,076.80, 58,378,615.20 and 24,605,599.20
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Solution
The fourth proportional to 38,919,076.80, 58,378,615.20 and 24,605,599.20 is: 36,908,398.80
Step by Step Solution
- Step 1: Write the proportion equation
38,919,076.80 : 58,378,615.20 = 24,605,599.20 : x - Step 2: Convert to fraction form
38,919,076.80/58,378,615.20 = 24,605,599.20/x - Step 3: Cross multiply
38,919,076.80x = 58,378,615.20 × 24,605,599.20 - Step 4: Simplify right side
38,919,076.80x = 1,436,440,807,462,227.75 - Step 5: Solve for x
x = 1,436,440,807,462,227.75/38,919,076.80 - Step 6: Final answer
x = 36,908,398.80
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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.