Finding the Fourth Proportional to 10,746,938.60, 16,099,412.70 and 6,474,415.40
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Solution
The fourth proportional to 10,746,938.60, 16,099,412.70 and 6,474,415.40 is: 9,698,974.69
Step by Step Solution
- Step 1: Write the proportion equation
10,746,938.60 : 16,099,412.70 = 6,474,415.40 : x - Step 2: Convert to fraction form
10,746,938.60/16,099,412.70 = 6,474,415.40/x - Step 3: Cross multiply
10,746,938.60x = 16,099,412.70 × 6,474,415.40 - Step 4: Simplify right side
10,746,938.60x = 104,234,285,515,835.58 - Step 5: Solve for x
x = 104,234,285,515,835.58/10,746,938.60 - Step 6: Final answer
x = 9,698,974.69
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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.