Finding the Fourth Proportional to 19,455,316.05, 26,847,867.85 and 10,634,371.50
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Solution
The fourth proportional to 19,455,316.05, 26,847,867.85 and 10,634,371.50 is: 14,675,176.70
Step by Step Solution
- Step 1: Write the proportion equation
19,455,316.05 : 26,847,867.85 = 10,634,371.50 : x - Step 2: Convert to fraction form
19,455,316.05/26,847,867.85 = 10,634,371.50/x - Step 3: Cross multiply
19,455,316.05x = 26,847,867.85 × 10,634,371.50 - Step 4: Simplify right side
19,455,316.05x = 285,510,200,699,806.31 - Step 5: Solve for x
x = 285,510,200,699,806.31/19,455,316.05 - Step 6: Final answer
x = 14,675,176.70
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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.