Finding the Fourth Proportional to 39,249,579.02, 54,163,454.36 and 21,608,334.88
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Solution
The fourth proportional to 39,249,579.02, 54,163,454.36 and 21,608,334.88 is: 29,818,971.04
Step by Step Solution
- Step 1: Write the proportion equation
39,249,579.02 : 54,163,454.36 = 21,608,334.88 : x - Step 2: Convert to fraction form
39,249,579.02/54,163,454.36 = 21,608,334.88/x - Step 3: Cross multiply
39,249,579.02x = 54,163,454.36 × 21,608,334.88 - Step 4: Simplify right side
39,249,579.02x = 1,170,382,059,825,025.75 - Step 5: Solve for x
x = 1,170,382,059,825,025.75/39,249,579.02 - Step 6: Final answer
x = 29,818,971.04
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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.