Finding the Fourth Proportional to 19,559,802.80, 29,350,201.80 and 8,201,399.60
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Solution
The fourth proportional to 19,559,802.80, 29,350,201.80 and 8,201,399.60 is: 12,306,501.03
Step by Step Solution
- Step 1: Write the proportion equation
19,559,802.80 : 29,350,201.80 = 8,201,399.60 : x - Step 2: Convert to fraction form
19,559,802.80/29,350,201.80 = 8,201,399.60/x - Step 3: Cross multiply
19,559,802.80x = 29,350,201.80 × 8,201,399.60 - Step 4: Simplify right side
19,559,802.80x = 240,712,733,302,439.28 - Step 5: Solve for x
x = 240,712,733,302,439.28/19,559,802.80 - Step 6: Final answer
x = 12,306,501.03
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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.