Finding the Fourth Proportional to 7,842,840.99, 11,774,336.33 and 6,046,865.31
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Solution
The fourth proportional to 7,842,840.99, 11,774,336.33 and 6,046,865.31 is: 9,078,065.71
Step by Step Solution
- Step 1: Write the proportion equation
7,842,840.99 : 11,774,336.33 = 6,046,865.31 : x - Step 2: Convert to fraction form
7,842,840.99/11,774,336.33 = 6,046,865.31/x - Step 3: Cross multiply
7,842,840.99x = 11,774,336.33 × 6,046,865.31 - Step 4: Simplify right side
7,842,840.99x = 71,197,825,871,915.38 - Step 5: Solve for x
x = 71,197,825,871,915.38/7,842,840.99 - Step 6: Final answer
x = 9,078,065.71
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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.