Finding the Fourth Proportional to 11,129,614.60, 16,694,421.90 and 10,031,303.20
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Solution
The fourth proportional to 11,129,614.60, 16,694,421.90 and 10,031,303.20 is: 15,046,954.80
Step by Step Solution
- Step 1: Write the proportion equation
11,129,614.60 : 16,694,421.90 = 10,031,303.20 : x - Step 2: Convert to fraction form
11,129,614.60/16,694,421.90 = 10,031,303.20/x - Step 3: Cross multiply
11,129,614.60x = 16,694,421.90 × 10,031,303.20 - Step 4: Simplify right side
11,129,614.60x = 167,466,807,827,620.06 - Step 5: Solve for x
x = 167,466,807,827,620.06/11,129,614.60 - Step 6: Final answer
x = 15,046,954.80
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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.