Finding the Fourth Proportional to 11,391,490.98, 15,720,257.58 and 6,234,852.54
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Solution
The fourth proportional to 11,391,490.98, 15,720,257.58 and 6,234,852.54 is: 8,604,096.52
Step by Step Solution
- Step 1: Write the proportion equation
11,391,490.98 : 15,720,257.58 = 6,234,852.54 : x - Step 2: Convert to fraction form
11,391,490.98/15,720,257.58 = 6,234,852.54/x - Step 3: Cross multiply
11,391,490.98x = 15,720,257.58 × 6,234,852.54 - Step 4: Simplify right side
11,391,490.98x = 98,013,487,902,117.25 - Step 5: Solve for x
x = 98,013,487,902,117.25/11,391,490.98 - Step 6: Final answer
x = 8,604,096.52
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1.5x scale
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.