Finding the Fourth Proportional to 9,475,679.21, 13,076,437.33 and 5,124,765.53
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Solution
The fourth proportional to 9,475,679.21, 13,076,437.33 and 5,124,765.53 is: 7,072,176.44
Step by Step Solution
- Step 1: Write the proportion equation
9,475,679.21 : 13,076,437.33 = 5,124,765.53 : x - Step 2: Convert to fraction form
9,475,679.21/13,076,437.33 = 5,124,765.53/x - Step 3: Cross multiply
9,475,679.21x = 13,076,437.33 × 5,124,765.53 - Step 4: Simplify right side
9,475,679.21x = 67,013,675,220,704.53 - Step 5: Solve for x
x = 67,013,675,220,704.53/9,475,679.21 - Step 6: Final answer
x = 7,072,176.44
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.