Finding the Fourth Proportional to 7,896,005.71, 10,896,562.99 and 4,632,875.95
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Solution
The fourth proportional to 7,896,005.71, 10,896,562.99 and 4,632,875.95 is: 6,393,412.88
Step by Step Solution
- Step 1: Write the proportion equation
7,896,005.71 : 10,896,562.99 = 4,632,875.95 : x - Step 2: Convert to fraction form
7,896,005.71/10,896,562.99 = 4,632,875.95/x - Step 3: Cross multiply
7,896,005.71x = 10,896,562.99 × 4,632,875.95 - Step 4: Simplify right side
7,896,005.71x = 50,482,424,614,031.09 - Step 5: Solve for x
x = 50,482,424,614,031.09/7,896,005.71 - Step 6: Final answer
x = 6,393,412.88
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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.