Finding the Fourth Proportional to 11,657,897.91, 16,087,170.89 and 6,430,966.53
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Solution
The fourth proportional to 11,657,897.91, 16,087,170.89 and 6,430,966.53 is: 8,874,332.09
Step by Step Solution
- Step 1: Write the proportion equation
11,657,897.91 : 16,087,170.89 = 6,430,966.53 : x - Step 2: Convert to fraction form
11,657,897.91/16,087,170.89 = 6,430,966.53/x - Step 3: Cross multiply
11,657,897.91x = 16,087,170.89 × 6,430,966.53 - Step 4: Simplify right side
11,657,897.91x = 103,456,057,523,825.48 - Step 5: Solve for x
x = 103,456,057,523,825.48/11,657,897.91 - Step 6: Final answer
x = 8,874,332.09
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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.