Finding the Fourth Proportional to 10,363,925.14, 14,302,136.81 and 5,717,905.99
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Solution
The fourth proportional to 10,363,925.14, 14,302,136.81 and 5,717,905.99 is: 7,890,666.19
Step by Step Solution
- Step 1: Write the proportion equation
10,363,925.14 : 14,302,136.81 = 5,717,905.99 : x - Step 2: Convert to fraction form
10,363,925.14/14,302,136.81 = 5,717,905.99/x - Step 3: Cross multiply
10,363,925.14x = 14,302,136.81 × 5,717,905.99 - Step 4: Simplify right side
10,363,925.14x = 81,778,273,735,698.50 - Step 5: Solve for x
x = 81,778,273,735,698.50/10,363,925.14 - Step 6: Final answer
x = 7,890,666.19
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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.