Finding the Fourth Proportional to 22,554,881.36, 31,124,944.68 and 12,241,396.88
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Solution
The fourth proportional to 22,554,881.36, 31,124,944.68 and 12,241,396.88 is: 16,892,698.06
Step by Step Solution
- Step 1: Write the proportion equation
22,554,881.36 : 31,124,944.68 = 12,241,396.88 : x - Step 2: Convert to fraction form
22,554,881.36/31,124,944.68 = 12,241,396.88/x - Step 3: Cross multiply
22,554,881.36x = 31,124,944.68 × 12,241,396.88 - Step 4: Simplify right side
22,554,881.36x = 381,012,800,695,924.62 - Step 5: Solve for x
x = 381,012,800,695,924.62/22,554,881.36 - Step 6: Final answer
x = 16,892,698.06
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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.