Finding the Fourth Proportional to 22,441,905.36, 30,955,468.68 and 15,563,877.84
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Solution
The fourth proportional to 22,441,905.36, 30,955,468.68 and 15,563,877.84 is: 21,468,192.00
Step by Step Solution
- Step 1: Write the proportion equation
22,441,905.36 : 30,955,468.68 = 15,563,877.84 : x - Step 2: Convert to fraction form
22,441,905.36/30,955,468.68 = 15,563,877.84/x - Step 3: Cross multiply
22,441,905.36x = 30,955,468.68 × 15,563,877.84 - Step 4: Simplify right side
22,441,905.36x = 481,787,133,015,466.06 - Step 5: Solve for x
x = 481,787,133,015,466.06/22,441,905.36 - Step 6: Final answer
x = 21,468,192.00
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1.5x scale
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.