Finding the Fourth Proportional to 10,986,860.70, 16,487,289.45 and 6,437,900.70
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Solution
The fourth proportional to 10,986,860.70, 16,487,289.45 and 6,437,900.70 is: 9,660,951.86
Step by Step Solution
- Step 1: Write the proportion equation
10,986,860.70 : 16,487,289.45 = 6,437,900.70 : x - Step 2: Convert to fraction form
10,986,860.70/16,487,289.45 = 6,437,900.70/x - Step 3: Cross multiply
10,986,860.70x = 16,487,289.45 × 6,437,900.70 - Step 4: Simplify right side
10,986,860.70x = 106,143,532,291,257.61 - Step 5: Solve for x
x = 106,143,532,291,257.61/10,986,860.70 - Step 6: Final answer
x = 9,660,951.86
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.