Finding the Fourth Proportional to 7,072,135.80, 10,592,457.30 and 6,127,351.80
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Solution
The fourth proportional to 7,072,135.80, 10,592,457.30 and 6,127,351.80 is: 9,177,384.90
Step by Step Solution
- Step 1: Write the proportion equation
7,072,135.80 : 10,592,457.30 = 6,127,351.80 : x - Step 2: Convert to fraction form
7,072,135.80/10,592,457.30 = 6,127,351.80/x - Step 3: Cross multiply
7,072,135.80x = 10,592,457.30 × 6,127,351.80 - Step 4: Simplify right side
7,072,135.80x = 64,903,712,303,578.14 - Step 5: Solve for x
x = 64,903,712,303,578.14/7,072,135.80 - Step 6: Final answer
x = 9,177,384.90
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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.