Finding the Fourth Proportional to 16,462,012.80, 24,651,028.80 and 13,102,780.80
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Solution
The fourth proportional to 16,462,012.80, 24,651,028.80 and 13,102,780.80 is: 19,620,749.34
Step by Step Solution
- Step 1: Write the proportion equation
16,462,012.80 : 24,651,028.80 = 13,102,780.80 : x - Step 2: Convert to fraction form
16,462,012.80/24,651,028.80 = 13,102,780.80/x - Step 3: Cross multiply
16,462,012.80x = 24,651,028.80 × 13,102,780.80 - Step 4: Simplify right side
16,462,012.80x = 322,997,026,860,887.06 - Step 5: Solve for x
x = 322,997,026,860,887.06/16,462,012.80 - Step 6: Final answer
x = 19,620,749.34
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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.