Finding the Fourth Proportional to 19,328,485.68, 28,992,903.12 and 5,865,313.68
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Solution
The fourth proportional to 19,328,485.68, 28,992,903.12 and 5,865,313.68 is: 8,798,023.50
Step by Step Solution
- Step 1: Write the proportion equation
19,328,485.68 : 28,992,903.12 = 5,865,313.68 : x - Step 2: Convert to fraction form
19,328,485.68/28,992,903.12 = 5,865,313.68/x - Step 3: Cross multiply
19,328,485.68x = 28,992,903.12 × 5,865,313.68 - Step 4: Simplify right side
19,328,485.68x = 170,052,471,292,650.69 - Step 5: Solve for x
x = 170,052,471,292,650.69/19,328,485.68 - Step 6: Final answer
x = 8,798,023.50
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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.