Finding the Fourth Proportional to 13,513,752.47, 20,274,083.98 and 3,929,130.99
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Solution
The fourth proportional to 13,513,752.47, 20,274,083.98 and 3,929,130.99 is: 5,894,701.11
Step by Step Solution
- Step 1: Write the proportion equation
13,513,752.47 : 20,274,083.98 = 3,929,130.99 : x - Step 2: Convert to fraction form
13,513,752.47/20,274,083.98 = 3,929,130.99/x - Step 3: Cross multiply
13,513,752.47x = 20,274,083.98 × 3,929,130.99 - Step 4: Simplify right side
13,513,752.47x = 79,659,531,649,857.72 - Step 5: Solve for x
x = 79,659,531,649,857.72/13,513,752.47 - Step 6: Final answer
x = 5,894,701.11
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.