Finding the Fourth Proportional to 16,363,519.78, 22,565,478 and 13,889,496.28
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Solution
The fourth proportional to 16,363,519.78, 22,565,478 and 13,889,496.28 is: 19,153,771.74
Step by Step Solution
- Step 1: Write the proportion equation
16,363,519.78 : 22,565,478 = 13,889,496.28 : x - Step 2: Convert to fraction form
16,363,519.78/22,565,478 = 13,889,496.28/x - Step 3: Cross multiply
16,363,519.78x = 22,565,478 × 13,889,496.28 - Step 4: Simplify right side
16,363,519.78x = 313,423,122,737,421.81 - Step 5: Solve for x
x = 313,423,122,737,421.81/16,363,519.78 - Step 6: Final answer
x = 19,153,771.74
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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.