Finding the Fourth Proportional to 21,334,518.99, 29,441,713.74 and 11,544,962.07
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Solution
The fourth proportional to 21,334,518.99, 29,441,713.74 and 11,544,962.07 is: 15,932,089.61
Step by Step Solution
- Step 1: Write the proportion equation
21,334,518.99 : 29,441,713.74 = 11,544,962.07 : x - Step 2: Convert to fraction form
21,334,518.99/29,441,713.74 = 11,544,962.07/x - Step 3: Cross multiply
21,334,518.99x = 29,441,713.74 × 11,544,962.07 - Step 4: Simplify right side
21,334,518.99x = 339,903,468,404,097.81 - Step 5: Solve for x
x = 339,903,468,404,097.81/21,334,518.99 - Step 6: Final answer
x = 15,932,089.61
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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.