Finding the Fourth Proportional to 11,377,228.76, 15,700,577.02 and 6,220,593.80
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Solution
The fourth proportional to 11,377,228.76, 15,700,577.02 and 6,220,593.80 is: 8,584,420.17
Step by Step Solution
- Step 1: Write the proportion equation
11,377,228.76 : 15,700,577.02 = 6,220,593.80 : x - Step 2: Convert to fraction form
11,377,228.76/15,700,577.02 = 6,220,593.80/x - Step 3: Cross multiply
11,377,228.76x = 15,700,577.02 × 6,220,593.80 - Step 4: Simplify right side
11,377,228.76x = 97,666,912,067,034.47 - Step 5: Solve for x
x = 97,666,912,067,034.47/11,377,228.76 - Step 6: Final answer
x = 8,584,420.17
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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.