Finding the Fourth Proportional to 10,108,239.10, 15,130,865.85 and 7,273,887.10
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Solution
The fourth proportional to 10,108,239.10, 15,130,865.85 and 7,273,887.10 is: 10,888,168.44
Step by Step Solution
- Step 1: Write the proportion equation
10,108,239.10 : 15,130,865.85 = 7,273,887.10 : x - Step 2: Convert to fraction form
10,108,239.10/15,130,865.85 = 7,273,887.10/x - Step 3: Cross multiply
10,108,239.10x = 15,130,865.85 × 7,273,887.10 - Step 4: Simplify right side
10,108,239.10x = 110,060,209,918,145.53 - Step 5: Solve for x
x = 110,060,209,918,145.53/10,108,239.10 - Step 6: Final answer
x = 10,888,168.44
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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.