Finding the Fourth Proportional to 7,801,353.14, 10,766,776.70 and 4,538,305.40
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Solution
The fourth proportional to 7,801,353.14, 10,766,776.70 and 4,538,305.40 is: 6,263,390.46
Step by Step Solution
- Step 1: Write the proportion equation
7,801,353.14 : 10,766,776.70 = 4,538,305.40 : x - Step 2: Convert to fraction form
7,801,353.14/10,766,776.70 = 4,538,305.40/x - Step 3: Cross multiply
7,801,353.14x = 10,766,776.70 × 4,538,305.40 - Step 4: Simplify right side
7,801,353.14x = 48,862,920,842,429.59 - Step 5: Solve for x
x = 48,862,920,842,429.59/7,801,353.14 - Step 6: Final answer
x = 6,263,390.46
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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.