Finding the Fourth Proportional to 18,811,325.36, 28,206,315.48 and 17,206,417.28
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Solution
The fourth proportional to 18,811,325.36, 28,206,315.48 and 17,206,417.28 is: 25,799,863.90
Step by Step Solution
- Step 1: Write the proportion equation
18,811,325.36 : 28,206,315.48 = 17,206,417.28 : x - Step 2: Convert to fraction form
18,811,325.36/28,206,315.48 = 17,206,417.28/x - Step 3: Cross multiply
18,811,325.36x = 28,206,315.48 × 17,206,417.28 - Step 4: Simplify right side
18,811,325.36x = 485,329,634,080,203.56 - Step 5: Solve for x
x = 485,329,634,080,203.56/18,811,325.36 - Step 6: Final answer
x = 25,799,863.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.