Finding the Fourth Proportional to 7,564,990.20, 10,440,490.62 and 4,626,526.20
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Solution
The fourth proportional to 7,564,990.20, 10,440,490.62 and 4,626,526.20 is: 6,385,097.95
Step by Step Solution
- Step 1: Write the proportion equation
7,564,990.20 : 10,440,490.62 = 4,626,526.20 : x - Step 2: Convert to fraction form
7,564,990.20/10,440,490.62 = 4,626,526.20/x - Step 3: Cross multiply
7,564,990.20x = 10,440,490.62 × 4,626,526.20 - Step 4: Simplify right side
7,564,990.20x = 48,303,203,394,284.24 - Step 5: Solve for x
x = 48,303,203,394,284.24/7,564,990.20 - Step 6: Final answer
x = 6,385,097.95
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1.5x scale
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.