Finding the Fourth Proportional to 56,279,844.48, 84,421,220.16 and 15,339,619.20
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Solution
The fourth proportional to 56,279,844.48, 84,421,220.16 and 15,339,619.20 is: 23,009,824.95
Step by Step Solution
- Step 1: Write the proportion equation
56,279,844.48 : 84,421,220.16 = 15,339,619.20 : x - Step 2: Convert to fraction form
56,279,844.48/84,421,220.16 = 15,339,619.20/x - Step 3: Cross multiply
56,279,844.48x = 84,421,220.16 × 15,339,619.20 - Step 4: Simplify right side
56,279,844.48x = 1,294,989,369,653,763 - Step 5: Solve for x
x = 1,294,989,369,653,763/56,279,844.48 - Step 6: Final answer
x = 23,009,824.95
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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.