Finding the Fourth Proportional to 13,593,358.52, 20,391,948.99 and 4,368,238.20
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Solution
The fourth proportional to 13,593,358.52, 20,391,948.99 and 4,368,238.20 is: 6,552,971.47
Step by Step Solution
- Step 1: Write the proportion equation
13,593,358.52 : 20,391,948.99 = 4,368,238.20 : x - Step 2: Convert to fraction form
13,593,358.52/20,391,948.99 = 4,368,238.20/x - Step 3: Cross multiply
13,593,358.52x = 20,391,948.99 × 4,368,238.20 - Step 4: Simplify right side
13,593,358.52x = 89,076,890,550,569.42 - Step 5: Solve for x
x = 89,076,890,550,569.42/13,593,358.52 - Step 6: Final answer
x = 6,552,971.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.