Finding the Fourth Proportional to 7,618,530.36, 10,513,875.15 and 4,180,894.41
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Solution
The fourth proportional to 7,618,530.36, 10,513,875.15 and 4,180,894.41 is: 5,769,800.70
Step by Step Solution
- Step 1: Write the proportion equation
7,618,530.36 : 10,513,875.15 = 4,180,894.41 : x - Step 2: Convert to fraction form
7,618,530.36/10,513,875.15 = 4,180,894.41/x - Step 3: Cross multiply
7,618,530.36x = 10,513,875.15 × 4,180,894.41 - Step 4: Simplify right side
7,618,530.36x = 43,957,401,842,072.91 - Step 5: Solve for x
x = 43,957,401,842,072.91/7,618,530.36 - Step 6: Final answer
x = 5,769,800.70
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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.