Finding the Fourth Proportional to 9,841,984.80, 14,762,977.20 and 5,537,312.70
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Solution
The fourth proportional to 9,841,984.80, 14,762,977.20 and 5,537,312.70 is: 8,305,969.05
Step by Step Solution
- Step 1: Write the proportion equation
9,841,984.80 : 14,762,977.20 = 5,537,312.70 : x - Step 2: Convert to fraction form
9,841,984.80/14,762,977.20 = 5,537,312.70/x - Step 3: Cross multiply
9,841,984.80x = 14,762,977.20 × 5,537,312.70 - Step 4: Simplify right side
9,841,984.80x = 81,747,221,139,370.44 - Step 5: Solve for x
x = 81,747,221,139,370.44/9,841,984.80 - Step 6: Final answer
x = 8,305,969.05
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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.