Finding the Fourth Proportional to 36,748,645.92, 55,122,969.12 and 11,189,655.24
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Solution
The fourth proportional to 36,748,645.92, 55,122,969.12 and 11,189,655.24 is: 16,784,482.93
Step by Step Solution
- Step 1: Write the proportion equation
36,748,645.92 : 55,122,969.12 = 11,189,655.24 : x - Step 2: Convert to fraction form
36,748,645.92/55,122,969.12 = 11,189,655.24/x - Step 3: Cross multiply
36,748,645.92x = 55,122,969.12 × 11,189,655.24 - Step 4: Simplify right side
36,748,645.92x = 616,807,020,257,966.12 - Step 5: Solve for x
x = 616,807,020,257,966.12/36,748,645.92 - Step 6: Final answer
x = 16,784,482.93
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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.