Finding the Fourth Proportional to 10,363,924.64, 14,302,136.12 and 5,717,905.49
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Solution
The fourth proportional to 10,363,924.64, 14,302,136.12 and 5,717,905.49 is: 7,890,665.50
Step by Step Solution
- Step 1: Write the proportion equation
10,363,924.64 : 14,302,136.12 = 5,717,905.49 : x - Step 2: Convert to fraction form
10,363,924.64/14,302,136.12 = 5,717,905.49/x - Step 3: Cross multiply
10,363,924.64x = 14,302,136.12 × 5,717,905.49 - Step 4: Simplify right side
10,363,924.64x = 81,778,262,639,275.30 - Step 5: Solve for x
x = 81,778,262,639,275.30/10,363,924.64 - Step 6: Final answer
x = 7,890,665.50
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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.