Finding the Fourth Proportional to 10,457,972.71, 14,432,352.80 and 5,811,953.65
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Solution
The fourth proportional to 10,457,972.71, 14,432,352.80 and 5,811,953.65 is: 8,020,690.80
Step by Step Solution
- Step 1: Write the proportion equation
10,457,972.71 : 14,432,352.80 = 5,811,953.65 : x - Step 2: Convert to fraction form
10,457,972.71/14,432,352.80 = 5,811,953.65/x - Step 3: Cross multiply
10,457,972.71x = 14,432,352.80 × 5,811,953.65 - Step 4: Simplify right side
10,457,972.71x = 83,880,165,468,907.06 - Step 5: Solve for x
x = 83,880,165,468,907.06/10,457,972.71 - Step 6: Final answer
x = 8,020,690.80
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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.