Finding the Fourth Proportional to 12,873,328.80, 19,260,226.80 and 8,394,352.80
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Solution
The fourth proportional to 12,873,328.80, 19,260,226.80 and 8,394,352.80 is: 12,559,077.86
Step by Step Solution
- Step 1: Write the proportion equation
12,873,328.80 : 19,260,226.80 = 8,394,352.80 : x - Step 2: Convert to fraction form
12,873,328.80/19,260,226.80 = 8,394,352.80/x - Step 3: Cross multiply
12,873,328.80x = 19,260,226.80 × 8,394,352.80 - Step 4: Simplify right side
12,873,328.80x = 161,677,138,767,215.06 - Step 5: Solve for x
x = 161,677,138,767,215.06/12,873,328.80 - Step 6: Final answer
x = 12,559,077.86
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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.