Finding the Fourth Proportional to 53,313,624.24, 79,970,436.40 and 12,924,108.24
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Solution
The fourth proportional to 53,313,624.24, 79,970,436.40 and 12,924,108.24 is: 19,386,162.37
Step by Step Solution
- Step 1: Write the proportion equation
53,313,624.24 : 79,970,436.40 = 12,924,108.24 : x - Step 2: Convert to fraction form
53,313,624.24/79,970,436.40 = 12,924,108.24/x - Step 3: Cross multiply
53,313,624.24x = 79,970,436.40 × 12,924,108.24 - Step 4: Simplify right side
53,313,624.24x = 1,033,546,576,033,636 - Step 5: Solve for x
x = 1,033,546,576,033,636/53,313,624.24 - Step 6: Final answer
x = 19,386,162.37
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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.