Finding the Fourth Proportional to 17,967,385.10, 26,960,408.85 and 7,871,026.70
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Solution
The fourth proportional to 17,967,385.10, 26,960,408.85 and 7,871,026.70 is: 11,810,627.80
Step by Step Solution
- Step 1: Write the proportion equation
17,967,385.10 : 26,960,408.85 = 7,871,026.70 : x - Step 2: Convert to fraction form
17,967,385.10/26,960,408.85 = 7,871,026.70/x - Step 3: Cross multiply
17,967,385.10x = 26,960,408.85 × 7,871,026.70 - Step 4: Simplify right side
17,967,385.10x = 212,206,097,901,266.31 - Step 5: Solve for x
x = 212,206,097,901,266.31/17,967,385.10 - Step 6: Final answer
x = 11,810,627.80
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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.