Finding the Fourth Proportional to 42,276,772.85, 63,399,604.70 and 14,603,647.91
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Solution
The fourth proportional to 42,276,772.85, 63,399,604.70 and 14,603,647.91 is: 21,900,098.85
Step by Step Solution
- Step 1: Write the proportion equation
42,276,772.85 : 63,399,604.70 = 14,603,647.91 : x - Step 2: Convert to fraction form
42,276,772.85/63,399,604.70 = 14,603,647.91/x - Step 3: Cross multiply
42,276,772.85x = 63,399,604.70 × 14,603,647.91 - Step 4: Simplify right side
42,276,772.85x = 925,865,504,281,964.88 - Step 5: Solve for x
x = 925,865,504,281,964.88/42,276,772.85 - Step 6: Final answer
x = 21,900,098.85
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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.