Finding the Fourth Proportional to 7,228,258.20, 9,974,808.99 and 4,130,584.53
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Solution
The fourth proportional to 7,228,258.20, 9,974,808.99 and 4,130,584.53 is: 5,700,099.60
Step by Step Solution
- Step 1: Write the proportion equation
7,228,258.20 : 9,974,808.99 = 4,130,584.53 : x - Step 2: Convert to fraction form
7,228,258.20/9,974,808.99 = 4,130,584.53/x - Step 3: Cross multiply
7,228,258.20x = 9,974,808.99 × 4,130,584.53 - Step 4: Simplify right side
7,228,258.20x = 41,201,791,703,798.92 - Step 5: Solve for x
x = 41,201,791,703,798.92/7,228,258.20 - Step 6: Final answer
x = 5,700,099.60
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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.