Finding the Fourth Proportional to 8,337,397.74, 12,497,426.12 and 3,223,340.18
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Solution
The fourth proportional to 8,337,397.74, 12,497,426.12 and 3,223,340.18 is: 4,831,658.15
Step by Step Solution
- Step 1: Write the proportion equation
8,337,397.74 : 12,497,426.12 = 3,223,340.18 : x - Step 2: Convert to fraction form
8,337,397.74/12,497,426.12 = 3,223,340.18/x - Step 3: Cross multiply
8,337,397.74x = 12,497,426.12 × 3,223,340.18 - Step 4: Simplify right side
8,337,397.74x = 40,283,455,759,177.50 - Step 5: Solve for x
x = 40,283,455,759,177.50/8,337,397.74 - Step 6: Final answer
x = 4,831,658.15
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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.