Finding the Fourth Proportional to 8,532,140.70, 12,805,209.45 and 8,252,204.70
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Solution
The fourth proportional to 8,532,140.70, 12,805,209.45 and 8,252,204.70 is: 12,385,075.84
Step by Step Solution
- Step 1: Write the proportion equation
8,532,140.70 : 12,805,209.45 = 8,252,204.70 : x - Step 2: Convert to fraction form
8,532,140.70/12,805,209.45 = 8,252,204.70/x - Step 3: Cross multiply
8,532,140.70x = 12,805,209.45 × 8,252,204.70 - Step 4: Simplify right side
8,532,140.70x = 105,671,209,607,774.41 - Step 5: Solve for x
x = 105,671,209,607,774.41/8,532,140.70 - Step 6: Final answer
x = 12,385,075.84
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1.5x scale
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.