Finding the Fourth Proportional to 26,619,697.80, 39,929,546.70 and 13,182,769.80
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Solution
The fourth proportional to 26,619,697.80, 39,929,546.70 and 13,182,769.80 is: 19,774,154.70
Step by Step Solution
- Step 1: Write the proportion equation
26,619,697.80 : 39,929,546.70 = 13,182,769.80 : x - Step 2: Convert to fraction form
26,619,697.80/39,929,546.70 = 13,182,769.80/x - Step 3: Cross multiply
26,619,697.80x = 39,929,546.70 × 13,182,769.80 - Step 4: Simplify right side
26,619,697.80x = 526,382,022,364,449.75 - Step 5: Solve for x
x = 526,382,022,364,449.75/26,619,697.80 - Step 6: Final answer
x = 19,774,154.70
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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.