Finding the Fourth Proportional to 38,098,800.77, 52,576,304.20 and 20,695,158.99
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Solution
The fourth proportional to 38,098,800.77, 52,576,304.20 and 20,695,158.99 is: 28,559,297.21
Step by Step Solution
- Step 1: Write the proportion equation
38,098,800.77 : 52,576,304.20 = 20,695,158.99 : x - Step 2: Convert to fraction form
38,098,800.77/52,576,304.20 = 20,695,158.99/x - Step 3: Cross multiply
38,098,800.77x = 52,576,304.20 × 20,695,158.99 - Step 4: Simplify right side
38,098,800.77x = 1,088,074,974,473,866.75 - Step 5: Solve for x
x = 1,088,074,974,473,866.75/38,098,800.77 - Step 6: Final answer
x = 28,559,297.21
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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.