Finding the Fourth Proportional to 14,159,048.40, 21,220,201.80 and 6,569,866.80
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Solution
The fourth proportional to 14,159,048.40, 21,220,201.80 and 6,569,866.80 is: 9,846,276.06
Step by Step Solution
- Step 1: Write the proportion equation
14,159,048.40 : 21,220,201.80 = 6,569,866.80 : x - Step 2: Convert to fraction form
14,159,048.40/21,220,201.80 = 6,569,866.80/x - Step 3: Cross multiply
14,159,048.40x = 21,220,201.80 × 6,569,866.80 - Step 4: Simplify right side
14,159,048.40x = 139,413,899,295,120.23 - Step 5: Solve for x
x = 139,413,899,295,120.23/14,159,048.40 - Step 6: Final answer
x = 9,846,276.06
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.