Finding the Fourth Proportional to 10,502,139.70, 15,753,209.55 and 2,523,963.70
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Solution
The fourth proportional to 10,502,139.70, 15,753,209.55 and 2,523,963.70 is: 3,785,945.55
Step by Step Solution
- Step 1: Write the proportion equation
10,502,139.70 : 15,753,209.55 = 2,523,963.70 : x - Step 2: Convert to fraction form
10,502,139.70/15,753,209.55 = 2,523,963.70/x - Step 3: Cross multiply
10,502,139.70x = 15,753,209.55 × 2,523,963.70 - Step 4: Simplify right side
10,502,139.70x = 39,760,529,062,693.34 - Step 5: Solve for x
x = 39,760,529,062,693.34/10,502,139.70 - Step 6: Final answer
x = 3,785,945.55
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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.