Finding the Fourth Proportional to 11,387,133.36, 15,714,209.34 and 6,160,139.88
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Solution
The fourth proportional to 11,387,133.36, 15,714,209.34 and 6,160,139.88 is: 8,500,974.26
Step by Step Solution
- Step 1: Write the proportion equation
11,387,133.36 : 15,714,209.34 = 6,160,139.88 : x - Step 2: Convert to fraction form
11,387,133.36/15,714,209.34 = 6,160,139.88/x - Step 3: Cross multiply
11,387,133.36x = 15,714,209.34 × 6,160,139.88 - Step 4: Simplify right side
11,387,133.36x = 96,801,727,638,002.47 - Step 5: Solve for x
x = 96,801,727,638,002.47/11,387,133.36 - Step 6: Final answer
x = 8,500,974.26
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.