Finding the Fourth Proportional to 42,000,837.80, 57,973,966.68 and 24,364,197.28
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Solution
The fourth proportional to 42,000,837.80, 57,973,966.68 and 24,364,197.28 is: 33,630,023.48
Step by Step Solution
- Step 1: Write the proportion equation
42,000,837.80 : 57,973,966.68 = 24,364,197.28 : x - Step 2: Convert to fraction form
42,000,837.80/57,973,966.68 = 24,364,197.28/x - Step 3: Cross multiply
42,000,837.80x = 57,973,966.68 × 24,364,197.28 - Step 4: Simplify right side
42,000,837.80x = 1,412,489,161,295,666.75 - Step 5: Solve for x
x = 1,412,489,161,295,666.75/42,000,837.80 - Step 6: Final answer
x = 33,630,023.48
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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.