Finding the Fourth Proportional to 15,149,778.84, 22,727,863.74 and 4,913,843.67
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Solution
The fourth proportional to 15,149,778.84, 22,727,863.74 and 4,913,843.67 is: 7,371,801.96
Step by Step Solution
- Step 1: Write the proportion equation
15,149,778.84 : 22,727,863.74 = 4,913,843.67 : x - Step 2: Convert to fraction form
15,149,778.84/22,727,863.74 = 4,913,843.67/x - Step 3: Cross multiply
15,149,778.84x = 22,727,863.74 × 4,913,843.67 - Step 4: Simplify right side
15,149,778.84x = 111,681,169,371,421.52 - Step 5: Solve for x
x = 111,681,169,371,421.52/15,149,778.84 - Step 6: Final answer
x = 7,371,801.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.