Finding the Fourth Proportional to 42,798,167.88, 64,207,708.44 and 13,652,011.92
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Solution
The fourth proportional to 42,798,167.88, 64,207,708.44 and 13,652,011.92 is: 20,481,353.39
Step by Step Solution
- Step 1: Write the proportion equation
42,798,167.88 : 64,207,708.44 = 13,652,011.92 : x - Step 2: Convert to fraction form
42,798,167.88/64,207,708.44 = 13,652,011.92/x - Step 3: Cross multiply
42,798,167.88x = 64,207,708.44 × 13,652,011.92 - Step 4: Simplify right side
42,798,167.88x = 876,564,400,978,764.62 - Step 5: Solve for x
x = 876,564,400,978,764.62/42,798,167.88 - Step 6: Final answer
x = 20,481,353.39
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.