Finding the Fourth Proportional to 9,886,998.30, 14,830,497.45 and 8,292,675.30
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Solution
The fourth proportional to 9,886,998.30, 14,830,497.45 and 8,292,675.30 is: 12,439,012.95
Step by Step Solution
- Step 1: Write the proportion equation
9,886,998.30 : 14,830,497.45 = 8,292,675.30 : x - Step 2: Convert to fraction form
9,886,998.30/14,830,497.45 = 8,292,675.30/x - Step 3: Cross multiply
9,886,998.30x = 14,830,497.45 × 8,292,675.30 - Step 4: Simplify right side
9,886,998.30x = 122,984,499,890,327.97 - Step 5: Solve for x
x = 122,984,499,890,327.97/9,886,998.30 - Step 6: Final answer
x = 12,439,012.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.