Finding the Fourth Proportional to 12,778,519.08, 19,173,764.24 and 6,298,061.68
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Solution
The fourth proportional to 12,778,519.08, 19,173,764.24 and 6,298,061.68 is: 9,450,042.61
Step by Step Solution
- Step 1: Write the proportion equation
12,778,519.08 : 19,173,764.24 = 6,298,061.68 : x - Step 2: Convert to fraction form
12,778,519.08/19,173,764.24 = 6,298,061.68/x - Step 3: Cross multiply
12,778,519.08x = 19,173,764.24 × 6,298,061.68 - Step 4: Simplify right side
12,778,519.08x = 120,757,549,821,298.31 - Step 5: Solve for x
x = 120,757,549,821,298.31/12,778,519.08 - Step 6: Final answer
x = 9,450,042.61
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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.