Finding the Fourth Proportional to 19,645,706.24, 26,914,747.44 and 18,909,359.12
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Solution
The fourth proportional to 19,645,706.24, 26,914,747.44 and 18,909,359.12 is: 25,905,947.02
Step by Step Solution
- Step 1: Write the proportion equation
19,645,706.24 : 26,914,747.44 = 18,909,359.12 : x - Step 2: Convert to fraction form
19,645,706.24/26,914,747.44 = 18,909,359.12/x - Step 3: Cross multiply
19,645,706.24x = 26,914,747.44 × 18,909,359.12 - Step 4: Simplify right side
19,645,706.24x = 508,940,624,967,060.69 - Step 5: Solve for x
x = 508,940,624,967,060.69/19,645,706.24 - Step 6: Final answer
x = 25,905,947.02
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.