Finding the Fourth Proportional to 12,778,508.06, 19,173,747.72 and 6,298,050.66
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Solution
The fourth proportional to 12,778,508.06, 19,173,747.72 and 6,298,050.66 is: 9,450,026.09
Step by Step Solution
- Step 1: Write the proportion equation
12,778,508.06 : 19,173,747.72 = 6,298,050.66 : x - Step 2: Convert to fraction form
12,778,508.06/19,173,747.72 = 6,298,050.66/x - Step 3: Cross multiply
12,778,508.06x = 19,173,747.72 × 6,298,050.66 - Step 4: Simplify right side
12,778,508.06x = 120,757,234,482,619.48 - Step 5: Solve for x
x = 120,757,234,482,619.48/12,778,508.06 - Step 6: Final answer
x = 9,450,026.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.