Finding the Fourth Proportional to 6,472,028.90, 9,708,043.35 and 6,346,057.70
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Solution
The fourth proportional to 6,472,028.90, 9,708,043.35 and 6,346,057.70 is: 9,519,086.55
Step by Step Solution
- Step 1: Write the proportion equation
6,472,028.90 : 9,708,043.35 = 6,346,057.70 : x - Step 2: Convert to fraction form
6,472,028.90/9,708,043.35 = 6,346,057.70/x - Step 3: Cross multiply
6,472,028.90x = 9,708,043.35 × 6,346,057.70 - Step 4: Simplify right side
6,472,028.90x = 61,607,803,253,201.30 - Step 5: Solve for x
x = 61,607,803,253,201.30/6,472,028.90 - Step 6: Final answer
x = 9,519,086.55
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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.