Finding the Fourth Proportional to 7,770,955.68, 11,657,836.08 and 3,513,129.12
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Solution
The fourth proportional to 7,770,955.68, 11,657,836.08 and 3,513,129.12 is: 5,270,327.76
Step by Step Solution
- Step 1: Write the proportion equation
7,770,955.68 : 11,657,836.08 = 3,513,129.12 : x - Step 2: Convert to fraction form
7,770,955.68/11,657,836.08 = 3,513,129.12/x - Step 3: Cross multiply
7,770,955.68x = 11,657,836.08 × 3,513,129.12 - Step 4: Simplify right side
7,770,955.68x = 40,955,483,408,834.65 - Step 5: Solve for x
x = 40,955,483,408,834.65/7,770,955.68 - Step 6: Final answer
x = 5,270,327.76
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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.