Finding the Fourth Proportional to 16,209,950.24, 22,376,386.49 and 10,990,107.74
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Solution
The fourth proportional to 16,209,950.24, 22,376,386.49 and 10,990,107.74 is: 15,170,860.78
Step by Step Solution
- Step 1: Write the proportion equation
16,209,950.24 : 22,376,386.49 = 10,990,107.74 : x - Step 2: Convert to fraction form
16,209,950.24/22,376,386.49 = 10,990,107.74/x - Step 3: Cross multiply
16,209,950.24x = 22,376,386.49 × 10,990,107.74 - Step 4: Simplify right side
16,209,950.24x = 245,918,898,357,970.84 - Step 5: Solve for x
x = 245,918,898,357,970.84/16,209,950.24 - Step 6: Final answer
x = 15,170,860.78
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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.