Finding the Fourth Proportional to 15,462,579.97, 21,337,775.74 and 8,587,504.90
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Solution
The fourth proportional to 15,462,579.97, 21,337,775.74 and 8,587,504.90 is: 11,850,432.08
Step by Step Solution
- Step 1: Write the proportion equation
15,462,579.97 : 21,337,775.74 = 8,587,504.90 : x - Step 2: Convert to fraction form
15,462,579.97/21,337,775.74 = 8,587,504.90/x - Step 3: Cross multiply
15,462,579.97x = 21,337,775.74 × 8,587,504.90 - Step 4: Simplify right side
15,462,579.97x = 183,238,253,775,695.56 - Step 5: Solve for x
x = 183,238,253,775,695.56/15,462,579.97 - Step 6: Final answer
x = 11,850,432.08
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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.