Finding the Fourth Proportional to 9,475,615.80, 14,213,423.70 and 5,170,943.70
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Solution
The fourth proportional to 9,475,615.80, 14,213,423.70 and 5,170,943.70 is: 7,756,415.55
Step by Step Solution
- Step 1: Write the proportion equation
9,475,615.80 : 14,213,423.70 = 5,170,943.70 : x - Step 2: Convert to fraction form
9,475,615.80/14,213,423.70 = 5,170,943.70/x - Step 3: Cross multiply
9,475,615.80x = 14,213,423.70 × 5,170,943.70 - Step 4: Simplify right side
9,475,615.80x = 73,496,813,736,945.69 - Step 5: Solve for x
x = 73,496,813,736,945.69/9,475,615.80 - Step 6: Final answer
x = 7,756,415.55
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1.5x scale
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.