Finding the Fourth Proportional to 7,767,760.60, 11,652,515.70 and 2,376,368.20
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Solution
The fourth proportional to 7,767,760.60, 11,652,515.70 and 2,376,368.20 is: 3,564,819.92
Step by Step Solution
- Step 1: Write the proportion equation
7,767,760.60 : 11,652,515.70 = 2,376,368.20 : x - Step 2: Convert to fraction form
7,767,760.60/11,652,515.70 = 2,376,368.20/x - Step 3: Cross multiply
7,767,760.60x = 11,652,515.70 × 2,376,368.20 - Step 4: Simplify right side
7,767,760.60x = 27,690,667,759,480.74 - Step 5: Solve for x
x = 27,690,667,759,480.74/7,767,760.60 - Step 6: Final answer
x = 3,564,819.92
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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.