Finding the Fourth Proportional to 6,912,626.90, 10,368,940.35 and 5,484,953.30
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Solution
The fourth proportional to 6,912,626.90, 10,368,940.35 and 5,484,953.30 is: 8,227,429.95
Step by Step Solution
- Step 1: Write the proportion equation
6,912,626.90 : 10,368,940.35 = 5,484,953.30 : x - Step 2: Convert to fraction form
6,912,626.90/10,368,940.35 = 5,484,953.30/x - Step 3: Cross multiply
6,912,626.90x = 10,368,940.35 × 5,484,953.30 - Step 4: Simplify right side
6,912,626.90x = 56,873,153,590,235.65 - Step 5: Solve for x
x = 56,873,153,590,235.65/6,912,626.90 - Step 6: Final answer
x = 8,227,429.95
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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.