Finding the Fourth Proportional to 13,206,417.80, 19,798,106.70 and 5,124,907.40
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Solution
The fourth proportional to 13,206,417.80, 19,798,106.70 and 5,124,907.40 is: 7,682,890.63
Step by Step Solution
- Step 1: Write the proportion equation
13,206,417.80 : 19,798,106.70 = 5,124,907.40 : x - Step 2: Convert to fraction form
13,206,417.80/19,798,106.70 = 5,124,907.40/x - Step 3: Cross multiply
13,206,417.80x = 19,798,106.70 × 5,124,907.40 - Step 4: Simplify right side
13,206,417.80x = 101,463,463,532,819.58 - Step 5: Solve for x
x = 101,463,463,532,819.58/13,206,417.80 - Step 6: Final answer
x = 7,682,890.63
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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.