Finding the Fourth Proportional to 19,488,301.80, 29,190,462.30 and 16,129,069.80
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Solution
The fourth proportional to 19,488,301.80, 29,190,462.30 and 16,129,069.80 is: 24,158,852.26
Step by Step Solution
- Step 1: Write the proportion equation
19,488,301.80 : 29,190,462.30 = 16,129,069.80 : x - Step 2: Convert to fraction form
19,488,301.80/29,190,462.30 = 16,129,069.80/x - Step 3: Cross multiply
19,488,301.80x = 29,190,462.30 × 16,129,069.80 - Step 4: Simplify right side
19,488,301.80x = 470,815,003,930,968.56 - Step 5: Solve for x
x = 470,815,003,930,968.56/19,488,301.80 - Step 6: Final answer
x = 24,158,852.26
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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.