Finding the Fourth Proportional to 12,055,145.70, 16,636,107.53 and 6,622,987.62
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Solution
The fourth proportional to 12,055,145.70, 16,636,107.53 and 6,622,987.62 is: 9,139,726.47
Step by Step Solution
- Step 1: Write the proportion equation
12,055,145.70 : 16,636,107.53 = 6,622,987.62 : x - Step 2: Convert to fraction form
12,055,145.70/16,636,107.53 = 6,622,987.62/x - Step 3: Cross multiply
12,055,145.70x = 16,636,107.53 × 6,622,987.62 - Step 4: Simplify right side
12,055,145.70x = 110,180,734,216,178.78 - Step 5: Solve for x
x = 110,180,734,216,178.78/12,055,145.70 - Step 6: Final answer
x = 9,139,726.47
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1.5x scale
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.