Finding the Fourth Proportional to 9,228,315.80, 13,842,473.70 and 4,923,643.70
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Solution
The fourth proportional to 9,228,315.80, 13,842,473.70 and 4,923,643.70 is: 7,385,465.55
Step by Step Solution
- Step 1: Write the proportion equation
9,228,315.80 : 13,842,473.70 = 4,923,643.70 : x - Step 2: Convert to fraction form
9,228,315.80/13,842,473.70 = 4,923,643.70/x - Step 3: Cross multiply
9,228,315.80x = 13,842,473.70 × 4,923,643.70 - Step 4: Simplify right side
9,228,315.80x = 68,155,408,425,420.69 - Step 5: Solve for x
x = 68,155,408,425,420.69/9,228,315.80 - Step 6: Final answer
x = 7,385,465.55
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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.