Finding the Fourth Proportional to 12,334,775.80, 18,475,218.18 and 5,124,448.12
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Solution
The fourth proportional to 12,334,775.80, 18,475,218.18 and 5,124,448.12 is: 7,675,477.74
Step by Step Solution
- Step 1: Write the proportion equation
12,334,775.80 : 18,475,218.18 = 5,124,448.12 : x - Step 2: Convert to fraction form
12,334,775.80/18,475,218.18 = 5,124,448.12/x - Step 3: Cross multiply
12,334,775.80x = 18,475,218.18 × 5,124,448.12 - Step 4: Simplify right side
12,334,775.80x = 94,675,297,069,090.83 - Step 5: Solve for x
x = 94,675,297,069,090.83/12,334,775.80 - Step 6: Final answer
x = 7,675,477.74
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1.5x scale
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.