Finding the Fourth Proportional to 14,223,348.19, 19,628,220.09 and 7,696,977.58
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Solution
The fourth proportional to 14,223,348.19, 19,628,220.09 and 7,696,977.58 is: 10,621,828.84
Step by Step Solution
- Step 1: Write the proportion equation
14,223,348.19 : 19,628,220.09 = 7,696,977.58 : x - Step 2: Convert to fraction form
14,223,348.19/19,628,220.09 = 7,696,977.58/x - Step 3: Cross multiply
14,223,348.19x = 19,628,220.09 × 7,696,977.58 - Step 4: Simplify right side
14,223,348.19x = 151,077,969,968,035.59 - Step 5: Solve for x
x = 151,077,969,968,035.59/14,223,348.19 - Step 6: Final answer
x = 10,621,828.84
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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.