Finding the Fourth Proportional to 11,465,559.63, 15,822,908.87 and 6,571,726.12
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Solution
The fourth proportional to 11,465,559.63, 15,822,908.87 and 6,571,726.12 is: 9,069,232.28
Step by Step Solution
- Step 1: Write the proportion equation
11,465,559.63 : 15,822,908.87 = 6,571,726.12 : x - Step 2: Convert to fraction form
11,465,559.63/15,822,908.87 = 6,571,726.12/x - Step 3: Cross multiply
11,465,559.63x = 15,822,908.87 × 6,571,726.12 - Step 4: Simplify right side
11,465,559.63x = 103,983,823,515,358.69 - Step 5: Solve for x
x = 103,983,823,515,358.69/11,465,559.63 - Step 6: Final answer
x = 9,069,232.28
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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.