Finding the Fourth Proportional to 9,977,416.70, 14,966,125.05 and 7,585,932.20
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Solution
The fourth proportional to 9,977,416.70, 14,966,125.05 and 7,585,932.20 is: 11,378,898.30
Step by Step Solution
- Step 1: Write the proportion equation
9,977,416.70 : 14,966,125.05 = 7,585,932.20 : x - Step 2: Convert to fraction form
9,977,416.70/14,966,125.05 = 7,585,932.20/x - Step 3: Cross multiply
9,977,416.70x = 14,966,125.05 × 7,585,932.20 - Step 4: Simplify right side
9,977,416.70x = 113,532,009,926,021.62 - Step 5: Solve for x
x = 113,532,009,926,021.62/9,977,416.70 - Step 6: Final answer
x = 11,378,898.30
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1.5x scale
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.