Finding the Fourth Proportional to 7,742,355.96, 11,612,782.98 and 2,351,053.02
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Solution
The fourth proportional to 7,742,355.96, 11,612,782.98 and 2,351,053.02 is: 3,526,351.49
Step by Step Solution
- Step 1: Write the proportion equation
7,742,355.96 : 11,612,782.98 = 2,351,053.02 : x - Step 2: Convert to fraction form
7,742,355.96/11,612,782.98 = 2,351,053.02/x - Step 3: Cross multiply
7,742,355.96x = 11,612,782.98 × 2,351,053.02 - Step 4: Simplify right side
7,742,355.96x = 27,302,268,495,733.60 - Step 5: Solve for x
x = 27,302,268,495,733.60/7,742,355.96 - Step 6: Final answer
x = 3,526,351.49
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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.