Finding the Fourth Proportional to 15,499,029.49, 21,391,621.85 and 10,262,801.99
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Solution
The fourth proportional to 15,499,029.49, 21,391,621.85 and 10,262,801.99 is: 14,164,627.50
Step by Step Solution
- Step 1: Write the proportion equation
15,499,029.49 : 21,391,621.85 = 10,262,801.99 : x - Step 2: Convert to fraction form
15,499,029.49/21,391,621.85 = 10,262,801.99/x - Step 3: Cross multiply
15,499,029.49x = 21,391,621.85 × 10,262,801.99 - Step 4: Simplify right side
15,499,029.49x = 219,537,979,240,193.47 - Step 5: Solve for x
x = 219,537,979,240,193.47/15,499,029.49 - Step 6: Final answer
x = 14,164,627.50
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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.