Finding the Fourth Proportional to 47,648,762.97, 71,292,780.53 and 28,228,412.15
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Solution
The fourth proportional to 47,648,762.97, 71,292,780.53 and 28,228,412.15 is: 42,235,765.77
Step by Step Solution
- Step 1: Write the proportion equation
47,648,762.97 : 71,292,780.53 = 28,228,412.15 : x - Step 2: Convert to fraction form
47,648,762.97/71,292,780.53 = 28,228,412.15/x - Step 3: Cross multiply
47,648,762.97x = 71,292,780.53 × 28,228,412.15 - Step 4: Simplify right side
47,648,762.97x = 2,012,481,992,120,335.25 - Step 5: Solve for x
x = 2,012,481,992,120,335.25/47,648,762.97 - Step 6: Final answer
x = 42,235,765.77
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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.