Finding the Fourth Proportional to 19,651,510.80, 29,477,266.20 and 16,462,864.80
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Solution
The fourth proportional to 19,651,510.80, 29,477,266.20 and 16,462,864.80 is: 24,694,297.20
Step by Step Solution
- Step 1: Write the proportion equation
19,651,510.80 : 29,477,266.20 = 16,462,864.80 : x - Step 2: Convert to fraction form
19,651,510.80/29,477,266.20 = 16,462,864.80/x - Step 3: Cross multiply
19,651,510.80x = 29,477,266.20 × 16,462,864.80 - Step 4: Simplify right side
19,651,510.80x = 485,280,248,124,209.75 - Step 5: Solve for x
x = 485,280,248,124,209.75/19,651,510.80 - Step 6: Final answer
x = 24,694,297.20
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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.