Finding the Fourth Proportional to 8,437,242.84, 12,657,744.18 and 4,648,775.64
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Solution
The fourth proportional to 8,437,242.84, 12,657,744.18 and 4,648,775.64 is: 6,974,199.26
Step by Step Solution
- Step 1: Write the proportion equation
8,437,242.84 : 12,657,744.18 = 4,648,775.64 : x - Step 2: Convert to fraction form
8,437,242.84/12,657,744.18 = 4,648,775.64/x - Step 3: Cross multiply
8,437,242.84x = 12,657,744.18 × 4,648,775.64 - Step 4: Simplify right side
8,437,242.84x = 58,843,012,801,335.77 - Step 5: Solve for x
x = 58,843,012,801,335.77/8,437,242.84 - Step 6: Final answer
x = 6,974,199.26
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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.