Finding the Fourth Proportional to 21,352,595.62, 29,466,610.35 and 11,563,056.67
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Solution
The fourth proportional to 21,352,595.62, 29,466,610.35 and 11,563,056.67 is: 15,957,033.58
Step by Step Solution
- Step 1: Write the proportion equation
21,352,595.62 : 29,466,610.35 = 11,563,056.67 : x - Step 2: Convert to fraction form
21,352,595.62/29,466,610.35 = 11,563,056.67/x - Step 3: Cross multiply
21,352,595.62x = 29,466,610.35 × 11,563,056.67 - Step 4: Simplify right side
21,352,595.62x = 340,724,085,349,858.56 - Step 5: Solve for x
x = 340,724,085,349,858.56/21,352,595.62 - Step 6: Final answer
x = 15,957,033.58
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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.