Finding the Fourth Proportional to 10,178,555.25, 15,267,823.16 and 2,605,508.85
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Solution
The fourth proportional to 10,178,555.25, 15,267,823.16 and 2,605,508.85 is: 3,908,260.79
Step by Step Solution
- Step 1: Write the proportion equation
10,178,555.25 : 15,267,823.16 = 2,605,508.85 : x - Step 2: Convert to fraction form
10,178,555.25/15,267,823.16 = 2,605,508.85/x - Step 3: Cross multiply
10,178,555.25x = 15,267,823.16 × 2,605,508.85 - Step 4: Simplify right side
10,178,555.25x = 39,780,448,395,270.76 - Step 5: Solve for x
x = 39,780,448,395,270.76/10,178,555.25 - Step 6: Final answer
x = 3,908,260.79
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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.