Finding the Fourth Proportional to 30,499,246.13, 45,750,340.55 and 10,028,512.49
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Solution
The fourth proportional to 30,499,246.13, 45,750,340.55 and 10,028,512.49 is: 15,043,252.53
Step by Step Solution
- Step 1: Write the proportion equation
30,499,246.13 : 45,750,340.55 = 10,028,512.49 : x - Step 2: Convert to fraction form
30,499,246.13/45,750,340.55 = 10,028,512.49/x - Step 3: Cross multiply
30,499,246.13x = 45,750,340.55 × 10,028,512.49 - Step 4: Simplify right side
30,499,246.13x = 458,807,861,423,748.06 - Step 5: Solve for x
x = 458,807,861,423,748.06/30,499,246.13 - Step 6: Final answer
x = 15,043,252.53
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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.