Finding the Fourth Proportional to 18,923,079.93, 26,113,860.77 and 10,221,252.49
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Solution
The fourth proportional to 18,923,079.93, 26,113,860.77 and 10,221,252.49 is: 14,105,334.09
Step by Step Solution
- Step 1: Write the proportion equation
18,923,079.93 : 26,113,860.77 = 10,221,252.49 : x - Step 2: Convert to fraction form
18,923,079.93/26,113,860.77 = 10,221,252.49/x - Step 3: Cross multiply
18,923,079.93x = 26,113,860.77 × 10,221,252.49 - Step 4: Simplify right side
18,923,079.93x = 266,916,364,418,875.81 - Step 5: Solve for x
x = 266,916,364,418,875.81/18,923,079.93 - Step 6: Final answer
x = 14,105,334.09
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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.