Finding the Fourth Proportional to 10,831,373.08, 16,242,860.58 and 5,779,927.96
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Solution
The fourth proportional to 10,831,373.08, 16,242,860.58 and 5,779,927.96 is: 8,667,651.21
Step by Step Solution
- Step 1: Write the proportion equation
10,831,373.08 : 16,242,860.58 = 5,779,927.96 : x - Step 2: Convert to fraction form
10,831,373.08/16,242,860.58 = 5,779,927.96/x - Step 3: Cross multiply
10,831,373.08x = 16,242,860.58 × 5,779,927.96 - Step 4: Simplify right side
10,831,373.08x = 93,882,564,016,723.81 - Step 5: Solve for x
x = 93,882,564,016,723.81/10,831,373.08 - Step 6: Final answer
x = 8,667,651.21
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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.