Finding the Fourth Proportional to 7,402,448.90, 11,103,673.35 and 4,416,464.90
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Solution
The fourth proportional to 7,402,448.90, 11,103,673.35 and 4,416,464.90 is: 6,624,697.35
Step by Step Solution
- Step 1: Write the proportion equation
7,402,448.90 : 11,103,673.35 = 4,416,464.90 : x - Step 2: Convert to fraction form
7,402,448.90/11,103,673.35 = 4,416,464.90/x - Step 3: Cross multiply
7,402,448.90x = 11,103,673.35 × 4,416,464.90 - Step 4: Simplify right side
7,402,448.90x = 49,038,983,611,340.41 - Step 5: Solve for x
x = 49,038,983,611,340.41/7,402,448.90 - Step 6: Final answer
x = 6,624,697.35
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1.5x scale
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.