Finding the Fourth Proportional to 7,242,257.68, 10,863,317.40 and 4,403,153.68
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Solution
The fourth proportional to 7,242,257.68, 10,863,317.40 and 4,403,153.68 is: 6,604,688.50
Step by Step Solution
- Step 1: Write the proportion equation
7,242,257.68 : 10,863,317.40 = 4,403,153.68 : x - Step 2: Convert to fraction form
7,242,257.68/10,863,317.40 = 4,403,153.68/x - Step 3: Cross multiply
7,242,257.68x = 10,863,317.40 × 4,403,153.68 - Step 4: Simplify right side
7,242,257.68x = 47,832,855,986,818.03 - Step 5: Solve for x
x = 47,832,855,986,818.03/7,242,257.68 - Step 6: Final answer
x = 6,604,688.50
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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.