Finding the Fourth Proportional to 12,580,710.19, 18,846,403.06 and 6,519,417.97
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Solution
The fourth proportional to 12,580,710.19, 18,846,403.06 and 6,519,417.97 is: 9,766,346.81
Step by Step Solution
- Step 1: Write the proportion equation
12,580,710.19 : 18,846,403.06 = 6,519,417.97 : x - Step 2: Convert to fraction form
12,580,710.19/18,846,403.06 = 6,519,417.97/x - Step 3: Cross multiply
12,580,710.19x = 18,846,403.06 × 6,519,417.97 - Step 4: Simplify right side
12,580,710.19x = 122,867,578,779,226.97 - Step 5: Solve for x
x = 122,867,578,779,226.97/12,580,710.19 - Step 6: Final answer
x = 9,766,346.81
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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.