Finding the Fourth Proportional to 7,209,610.84, 10,806,940.36 and 4,507,732.72
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Solution
The fourth proportional to 7,209,610.84, 10,806,940.36 and 4,507,732.72 is: 6,756,924.85
Step by Step Solution
- Step 1: Write the proportion equation
7,209,610.84 : 10,806,940.36 = 4,507,732.72 : x - Step 2: Convert to fraction form
7,209,610.84/10,806,940.36 = 4,507,732.72/x - Step 3: Cross multiply
7,209,610.84x = 10,806,940.36 × 4,507,732.72 - Step 4: Simplify right side
7,209,610.84x = 48,714,798,663,860.57 - Step 5: Solve for x
x = 48,714,798,663,860.57/7,209,610.84 - Step 6: Final answer
x = 6,756,924.85
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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.