Finding the Fourth Proportional to 8,307,903.70, 12,461,855.55 and 4,528,767.70
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Solution
The fourth proportional to 8,307,903.70, 12,461,855.55 and 4,528,767.70 is: 6,793,151.55
Step by Step Solution
- Step 1: Write the proportion equation
8,307,903.70 : 12,461,855.55 = 4,528,767.70 : x - Step 2: Convert to fraction form
8,307,903.70/12,461,855.55 = 4,528,767.70/x - Step 3: Cross multiply
8,307,903.70x = 12,461,855.55 × 4,528,767.70 - Step 4: Simplify right side
8,307,903.70x = 56,436,848,896,905.74 - Step 5: Solve for x
x = 56,436,848,896,905.74/8,307,903.70 - Step 6: Final answer
x = 6,793,151.55
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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.