Finding the Fourth Proportional to 7,624,392.71, 10,521,674.62 and 4,186,851.53
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Solution
The fourth proportional to 7,624,392.71, 10,521,674.62 and 4,186,851.53 is: 5,777,862.07
Step by Step Solution
- Step 1: Write the proportion equation
7,624,392.71 : 10,521,674.62 = 4,186,851.53 : x - Step 2: Convert to fraction form
7,624,392.71/10,521,674.62 = 4,186,851.53/x - Step 3: Cross multiply
7,624,392.71x = 10,521,674.62 × 4,186,851.53 - Step 4: Simplify right side
7,624,392.71x = 44,052,689,417,833.66 - Step 5: Solve for x
x = 44,052,689,417,833.66/7,624,392.71 - Step 6: Final answer
x = 5,777,862.07
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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.