Finding the Fourth Proportional to 17,461,965.60, 26,248,935.60 and 12,448,000.80
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Solution
The fourth proportional to 17,461,965.60, 26,248,935.60 and 12,448,000.80 is: 18,711,912.44
Step by Step Solution
- Step 1: Write the proportion equation
17,461,965.60 : 26,248,935.60 = 12,448,000.80 : x - Step 2: Convert to fraction form
17,461,965.60/26,248,935.60 = 12,448,000.80/x - Step 3: Cross multiply
17,461,965.60x = 26,248,935.60 × 12,448,000.80 - Step 4: Simplify right side
17,461,965.60x = 326,746,771,347,948.50 - Step 5: Solve for x
x = 326,746,771,347,948.50/17,461,965.60 - Step 6: Final answer
x = 18,711,912.44
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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.