Finding the Fourth Proportional to 31,688,135.70, 47,532,203.55 and 14,682,023.70
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Solution
The fourth proportional to 31,688,135.70, 47,532,203.55 and 14,682,023.70 is: 22,023,035.55
Step by Step Solution
- Step 1: Write the proportion equation
31,688,135.70 : 47,532,203.55 = 14,682,023.70 : x - Step 2: Convert to fraction form
31,688,135.70/47,532,203.55 = 14,682,023.70/x - Step 3: Cross multiply
31,688,135.70x = 47,532,203.55 × 14,682,023.70 - Step 4: Simplify right side
31,688,135.70x = 697,868,939,034,324 - Step 5: Solve for x
x = 697,868,939,034,324/31,688,135.70 - Step 6: Final answer
x = 22,023,035.55
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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.