Finding the Fourth Proportional to 55,327,694.36, 82,995,527.34 and 21,249,040.23
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Solution
The fourth proportional to 55,327,694.36, 82,995,527.34 and 21,249,040.23 is: 31,875,091.12
Step by Step Solution
- Step 1: Write the proportion equation
55,327,694.36 : 82,995,527.34 = 21,249,040.23 : x - Step 2: Convert to fraction form
55,327,694.36/82,995,527.34 = 21,249,040.23/x - Step 3: Cross multiply
55,327,694.36x = 82,995,527.34 × 21,249,040.23 - Step 4: Simplify right side
55,327,694.36x = 1,763,575,299,357,725 - Step 5: Solve for x
x = 1,763,575,299,357,725/55,327,694.36 - Step 6: Final answer
x = 31,875,091.12
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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.