Finding the Fourth Proportional to 52,302,764.36, 72,178,479.09 and 28,784,009.00
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Solution
The fourth proportional to 52,302,764.36, 72,178,479.09 and 28,784,009.00 is: 39,722,297.99
Step by Step Solution
- Step 1: Write the proportion equation
52,302,764.36 : 72,178,479.09 = 28,784,009.00 : x - Step 2: Convert to fraction form
52,302,764.36/72,178,479.09 = 28,784,009.00/x - Step 3: Cross multiply
52,302,764.36x = 72,178,479.09 × 28,784,009.00 - Step 4: Simplify right side
52,302,764.36x = 2,077,585,991,371,979.50 - Step 5: Solve for x
x = 2,077,585,991,371,979.50/52,302,764.36 - Step 6: Final answer
x = 39,722,297.99
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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.