Finding the Fourth Proportional to 8,778,481.68, 13,164,989.58 and 3,097,374.96
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Solution
The fourth proportional to 8,778,481.68, 13,164,989.58 and 3,097,374.96 is: 4,645,098.16
Step by Step Solution
- Step 1: Write the proportion equation
8,778,481.68 : 13,164,989.58 = 3,097,374.96 : x - Step 2: Convert to fraction form
8,778,481.68/13,164,989.58 = 3,097,374.96/x - Step 3: Cross multiply
8,778,481.68x = 13,164,989.58 × 3,097,374.96 - Step 4: Simplify right side
8,778,481.68x = 40,776,909,073,752.91 - Step 5: Solve for x
x = 40,776,909,073,752.91/8,778,481.68 - Step 6: Final answer
x = 4,645,098.16
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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.