Finding the Fourth Proportional to 9,968,173.47, 14,954,782.10 and 2,779,708.14
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Solution
The fourth proportional to 9,968,173.47, 14,954,782.10 and 2,779,708.14 is: 4,170,265.46
Step by Step Solution
- Step 1: Write the proportion equation
9,968,173.47 : 14,954,782.10 = 2,779,708.14 : x - Step 2: Convert to fraction form
9,968,173.47/14,954,782.10 = 2,779,708.14/x - Step 3: Cross multiply
9,968,173.47x = 14,954,782.10 × 2,779,708.14 - Step 4: Simplify right side
9,968,173.47x = 41,569,929,521,397.76 - Step 5: Solve for x
x = 41,569,929,521,397.76/9,968,173.47 - Step 6: Final answer
x = 4,170,265.46
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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.