Finding the Fourth Proportional to 18,028,740.86, 24,879,749.02 and 9,768,800.96
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Solution
The fourth proportional to 18,028,740.86, 24,879,749.02 and 9,768,800.96 is: 13,480,992.27
Step by Step Solution
- Step 1: Write the proportion equation
18,028,740.86 : 24,879,749.02 = 9,768,800.96 : x - Step 2: Convert to fraction form
18,028,740.86/24,879,749.02 = 9,768,800.96/x - Step 3: Cross multiply
18,028,740.86x = 24,879,749.02 × 9,768,800.96 - Step 4: Simplify right side
18,028,740.86x = 243,045,316,111,135.06 - Step 5: Solve for x
x = 243,045,316,111,135.06/18,028,740.86 - Step 6: Final answer
x = 13,480,992.27
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.