Finding the Fourth Proportional to 7,420,462.47, 11,130,149.39 and 2,370,417.03
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Solution
The fourth proportional to 7,420,462.47, 11,130,149.39 and 2,370,417.03 is: 3,555,451.67
Step by Step Solution
- Step 1: Write the proportion equation
7,420,462.47 : 11,130,149.39 = 2,370,417.03 : x - Step 2: Convert to fraction form
7,420,462.47/11,130,149.39 = 2,370,417.03/x - Step 3: Cross multiply
7,420,462.47x = 11,130,149.39 × 2,370,417.03 - Step 4: Simplify right side
7,420,462.47x = 26,383,095,648,648.02 - Step 5: Solve for x
x = 26,383,095,648,648.02/7,420,462.47 - Step 6: Final answer
x = 3,555,451.67
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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.