Finding the Fourth Proportional to 10,346,438.96, 14,273,140.76 and 8,038,807.28
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Solution
The fourth proportional to 10,346,438.96, 14,273,140.76 and 8,038,807.28 is: 11,089,711.96
Step by Step Solution
- Step 1: Write the proportion equation
10,346,438.96 : 14,273,140.76 = 8,038,807.28 : x - Step 2: Convert to fraction form
10,346,438.96/14,273,140.76 = 8,038,807.28/x - Step 3: Cross multiply
10,346,438.96x = 14,273,140.76 × 8,038,807.28 - Step 4: Simplify right side
10,346,438.96x = 114,739,027,849,952.73 - Step 5: Solve for x
x = 114,739,027,849,952.73/10,346,438.96 - Step 6: Final answer
x = 11,089,711.96
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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.