Finding the Fourth Proportional to 12,983,197.47, 19,476,567.99 and 5,408,391.75
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Solution
The fourth proportional to 12,983,197.47, 19,476,567.99 and 5,408,391.75 is: 8,113,325.69
Step by Step Solution
- Step 1: Write the proportion equation
12,983,197.47 : 19,476,567.99 = 5,408,391.75 : x - Step 2: Convert to fraction form
12,983,197.47/19,476,567.99 = 5,408,391.75/x - Step 3: Cross multiply
12,983,197.47x = 19,476,567.99 × 5,408,391.75 - Step 4: Simplify right side
12,983,197.47x = 105,336,909,635,430.08 - Step 5: Solve for x
x = 105,336,909,635,430.08/12,983,197.47 - Step 6: Final answer
x = 8,113,325.69
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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.