Finding the Fourth Proportional to 7,783,814.68, 10,742,328.48 and 4,346,720.02
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Solution
The fourth proportional to 7,783,814.68, 10,742,328.48 and 4,346,720.02 is: 5,998,844.55
Step by Step Solution
- Step 1: Write the proportion equation
7,783,814.68 : 10,742,328.48 = 4,346,720.02 : x - Step 2: Convert to fraction form
7,783,814.68/10,742,328.48 = 4,346,720.02/x - Step 3: Cross multiply
7,783,814.68x = 10,742,328.48 × 4,346,720.02 - Step 4: Simplify right side
7,783,814.68x = 46,693,894,265,432.16 - Step 5: Solve for x
x = 46,693,894,265,432.16/7,783,814.68 - Step 6: Final answer
x = 5,998,844.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.