Finding the Fourth Proportional to 21,356,697.87, 29,472,094.76 and 11,566,919.07
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Solution
The fourth proportional to 21,356,697.87, 29,472,094.76 and 11,566,919.07 is: 15,962,267.99
Step by Step Solution
- Step 1: Write the proportion equation
21,356,697.87 : 29,472,094.76 = 11,566,919.07 : x - Step 2: Convert to fraction form
21,356,697.87/29,472,094.76 = 11,566,919.07/x - Step 3: Cross multiply
21,356,697.87x = 29,472,094.76 × 11,566,919.07 - Step 4: Simplify right side
21,356,697.87x = 340,901,334,854,456.50 - Step 5: Solve for x
x = 340,901,334,854,456.50/21,356,697.87 - Step 6: Final answer
x = 15,962,267.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.