Finding the Fourth Proportional to 47,018,530.80, 70,527,796.20 and 12,474,865.80
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Solution
The fourth proportional to 47,018,530.80, 70,527,796.20 and 12,474,865.80 is: 18,712,298.70
Step by Step Solution
- Step 1: Write the proportion equation
47,018,530.80 : 70,527,796.20 = 12,474,865.80 : x - Step 2: Convert to fraction form
47,018,530.80/70,527,796.20 = 12,474,865.80/x - Step 3: Cross multiply
47,018,530.80x = 70,527,796.20 × 12,474,865.80 - Step 4: Simplify right side
47,018,530.80x = 879,824,792,764,750 - Step 5: Solve for x
x = 879,824,792,764,750/47,018,530.80 - Step 6: Final answer
x = 18,712,298.70
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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.