Finding the Fourth Proportional to 13,520,535.84, 20,267,156.88 and 8,475,389.28
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Solution
The fourth proportional to 13,520,535.84, 20,267,156.88 and 8,475,389.28 is: 12,704,529.33
Step by Step Solution
- Step 1: Write the proportion equation
13,520,535.84 : 20,267,156.88 = 8,475,389.28 : x - Step 2: Convert to fraction form
13,520,535.84/20,267,156.88 = 8,475,389.28/x - Step 3: Cross multiply
13,520,535.84x = 20,267,156.88 × 8,475,389.28 - Step 4: Simplify right side
13,520,535.84x = 171,772,044,156,830.22 - Step 5: Solve for x
x = 171,772,044,156,830.22/13,520,535.84 - Step 6: Final answer
x = 12,704,529.33
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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.