Finding the Fourth Proportional to 8,867,911.16, 12,241,025.70 and 6,903,897.68
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Solution
The fourth proportional to 8,867,911.16, 12,241,025.70 and 6,903,897.68 is: 9,529,954.39
Step by Step Solution
- Step 1: Write the proportion equation
8,867,911.16 : 12,241,025.70 = 6,903,897.68 : x - Step 2: Convert to fraction form
8,867,911.16/12,241,025.70 = 6,903,897.68/x - Step 3: Cross multiply
8,867,911.16x = 12,241,025.70 × 6,903,897.68 - Step 4: Simplify right side
8,867,911.16x = 84,510,788,931,050.38 - Step 5: Solve for x
x = 84,510,788,931,050.38/8,867,911.16 - Step 6: Final answer
x = 9,529,954.39
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.