Finding the Fourth Proportional to 11,391,860.97, 15,720,710.85 and 6,164,865.36
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Solution
The fourth proportional to 11,391,860.97, 15,720,710.85 and 6,164,865.36 is: 8,507,483.19
Step by Step Solution
- Step 1: Write the proportion equation
11,391,860.97 : 15,720,710.85 = 6,164,865.36 : x - Step 2: Convert to fraction form
11,391,860.97/15,720,710.85 = 6,164,865.36/x - Step 3: Cross multiply
11,391,860.97x = 15,720,710.85 × 6,164,865.36 - Step 4: Simplify right side
11,391,860.97x = 96,916,065,753,741.16 - Step 5: Solve for x
x = 96,916,065,753,741.16/11,391,860.97 - Step 6: Final answer
x = 8,507,483.19
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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.